From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from casper.infradead.org ([85.118.1.10]:39294 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726026AbeKBW4j (ORCPT ); Fri, 2 Nov 2018 18:56:39 -0400 Date: Fri, 2 Nov 2018 10:49:08 -0300 From: Mauro Carvalho Chehab To: Yong Zhi Cc: linux-media@vger.kernel.org, sakari.ailus@linux.intel.com, tfiga@chromium.org, hans.verkuil@cisco.com, laurent.pinchart@ideasonboard.com, rajmohan.mani@intel.com, jian.xu.zheng@intel.com, jerry.w.hu@intel.com, tuukka.toivonen@intel.com, tian.shu.qiu@intel.com, bingbu.cao@intel.com, Chao C Li Subject: Re: [PATCH v7 03/16] v4l: Add Intel IPU3 meta data uAPI Message-ID: <20181102104908.609177e5@coco.lan> In-Reply-To: <1540851790-1777-4-git-send-email-yong.zhi@intel.com> References: <1540851790-1777-1-git-send-email-yong.zhi@intel.com> <1540851790-1777-4-git-send-email-yong.zhi@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Em Mon, 29 Oct 2018 15:22:57 -0700 Yong Zhi escreveu: > These meta formats are used on Intel IPU3 ImgU video queues > to carry 3A statistics and ISP pipeline parameters. Just minor things. See below. > > V4L2_META_FMT_IPU3_3A > V4L2_META_FMT_IPU3_PARAMS > > Signed-off-by: Yong Zhi > Signed-off-by: Chao C Li > Signed-off-by: Rajmohan Mani > --- > Documentation/media/uapi/v4l/meta-formats.rst | 1 + > .../media/uapi/v4l/pixfmt-meta-intel-ipu3.rst | 181 ++ I would actually prefer to have those two changes merged together with patch 1, as it makes easier for review. > include/uapi/linux/intel-ipu3.h | 2819 ++++++++++++++++++++ This one makes sense to have a separate patch. > 3 files changed, 3001 insertions(+) > create mode 100644 Documentation/media/uapi/v4l/pixfmt-meta-intel-ipu3.rst > create mode 100644 include/uapi/linux/intel-ipu3.h > > diff --git a/Documentation/media/uapi/v4l/meta-formats.rst b/Documentation/media/uapi/v4l/meta-formats.rst > index cf971d5..eafc534 100644 > --- a/Documentation/media/uapi/v4l/meta-formats.rst > +++ b/Documentation/media/uapi/v4l/meta-formats.rst > @@ -12,6 +12,7 @@ These formats are used for the :ref:`metadata` interface only. > .. toctree:: > :maxdepth: 1 > > + pixfmt-meta-intel-ipu3 > pixfmt-meta-d4xx > pixfmt-meta-uvc > pixfmt-meta-vsp1-hgo > diff --git a/Documentation/media/uapi/v4l/pixfmt-meta-intel-ipu3.rst b/Documentation/media/uapi/v4l/pixfmt-meta-intel-ipu3.rst > new file mode 100644 > index 0000000..23b945b > --- /dev/null > +++ b/Documentation/media/uapi/v4l/pixfmt-meta-intel-ipu3.rst > @@ -0,0 +1,181 @@ > +.. -*- coding: utf-8; mode: rst -*- > + > +.. _intel-ipu3: > + > +****************************************************************** > +V4L2_META_FMT_IPU3_PARAMS ('ip3p'), V4L2_META_FMT_IPU3_3A ('ip3s') > +****************************************************************** > + > +.. c:type:: ipu3_uapi_stats_3a > + > +3A statistics > +============= > + > +For IPU3 ImgU, the 3A statistics accelerators collect different statistics over > +an input bayer frame. Those statistics, defined in data struct > +:c:type:`ipu3_uapi_stats_3a`, are meta output obtained from "ipu3-imgu 3a stat" > +video node, which are then passed to user space for statistics analysis > +using :c:type:`v4l2_meta_format` interface. > + > +The statistics collected are AWB (Auto-white balance) RGBS (Red, Green, Blue and > +Saturation measure) cells, AWB filter response, AF (Auto-focus) filter response, > +and AE (Auto-exposure) histogram. > + > +struct :c:type:`ipu3_uapi_4a_config` saves configurable parameters for all above. > + > + > +.. code-block:: c > + > + > + struct ipu3_uapi_stats_3a { > + struct ipu3_uapi_awb_raw_buffer awb_raw_buffer > + __attribute__((aligned(32))); > + struct ipu3_uapi_ae_raw_buffer_aligned > + ae_raw_buffer[IPU3_UAPI_MAX_STRIPES]; > + struct ipu3_uapi_af_raw_buffer af_raw_buffer; > + struct ipu3_uapi_awb_fr_raw_buffer awb_fr_raw_buffer; > + struct ipu3_uapi_4a_config stats_4a_config; > + __u32 ae_join_buffers; > + __u8 padding[28]; > + struct ipu3_uapi_stats_3a_bubble_info_per_stripe > + stats_3a_bubble_per_stripe; > + struct ipu3_uapi_ff_status stats_3a_status; > + } __packed; > + > + > +.. c:type:: ipu3_uapi_params > + > +Pipeline parameters > +=================== > + > +IPU3 pipeline has a number of image processing stages, each of which takes a > +set of parameters as input. The major stages of pipelines are shown here: > + > +Raw pixels -> Bayer Downscaling -> Optical Black Correction -> > + > +Linearization -> Lens Shading Correction -> White Balance / Exposure / > + > +Focus Apply -> Bayer Noise Reduction -> ANR -> Demosaicing -> Color > + > +Correction Matrix -> Gamma correction -> Color Space Conversion -> > + > +Chroma Down Scaling -> Chromatic Noise Reduction -> Total Color > + > +Correction -> XNR3 -> TNR -> DDR > + > +The table below presents a description of the above algorithms. > + > +======================== ======================================================= > +Name Description > +======================== ======================================================= > +Optical Black Correction Optical Black Correction block subtracts a pre-defined > + value from the respective pixel values to obtain better > + image quality. > + Defined in :c:type:`ipu3_uapi_obgrid_param`. > +Linearization This algo block uses linearization parameters to > + address non-linearity sensor effects. The Lookup table > + table is defined in > + :c:type:`ipu3_uapi_isp_lin_vmem_params`. > +SHD Lens shading correction is used to correct spatial > + non-uniformity of the pixel response due to optical > + lens shading. This is done by applying a different gain > + for each pixel. The gain, black level etc are > + configured in :c:type:`ipu3_uapi_shd_config_static`. > +BNR Bayer noise reduction block removes image noise by > + applying a bilateral filter. > + See :c:type:`ipu3_uapi_bnr_static_config` for details. > +ANR Advanced Noise Reduction is a block based algorithm > + that performs noise reduction in the Bayer domain. The > + convolution matrix etc can be found in > + :c:type:`ipu3_uapi_anr_config`. > +Demosaicing Demosaicing converts raw sensor data in Bayer format > + into RGB (Red, Green, Blue) presentation. Then add > + outputs of estimation of Y channel for following stream > + processing by Firmware. The struct is defined as > + :c:type:`ipu3_uapi_dm_config`. > +Color Correction Color Correction algo transforms sensor specific color > + space to the standard "sRGB" color space. This is done > + by applying 3x3 matrix defined in > + :c:type:`ipu3_uapi_ccm_mat_config`. > +Gamma correction Gamma correction :c:type:`ipu3_uapi_gamma_config` is a > + basic non-linear tone mapping correction that is > + applied per pixel for each pixel component. > +CSC Color space conversion transforms each pixel from the > + RGB primary presentation to YUV (Y - brightness, > + UV - Luminance) presentation. This is done by applying > + a 3x3 matrix defined in > + :c:type:`ipu3_uapi_csc_mat_config` > +CDS Chroma down sampling > + After the CSC is performed, the Chroma Down Sampling > + is applied for a UV plane down sampling by a factor > + of 2 in each direction for YUV 4:2:0 using a 4x2 > + configurable filter :c:type:`ipu3_uapi_cds_params`. > +CHNR Chroma noise reduction > + This block processes only the chrominance pixels and > + performs noise reduction by cleaning the high > + frequency noise. > + See struct :c:type:`ipu3_uapi_yuvp1_chnr_config`. > +TCC Total color correction as defined in struct > + :c:type:`ipu3_uapi_yuvp2_tcc_static_config`. > +XNR3 eXtreme Noise Reduction V3 is the third revision of > + noise reduction algorithm used to improve image > + quality. This removes the low frequency noise in the > + captured image. Two related structs are being defined, > + :c:type:`ipu3_uapi_isp_xnr3_params` for ISP data memory > + and :c:type:`ipu3_uapi_isp_xnr3_vmem_params` for vector > + memory. > +TNR Temporal Noise Reduction block compares successive > + frames in time to remove anomalies / noise in pixel > + values. :c:type:`ipu3_uapi_isp_tnr3_vmem_params` and > + :c:type:`ipu3_uapi_isp_tnr3_params` are defined for ISP > + vector and data memory respectively. > +======================== ======================================================= > + > +A few stages of the pipeline will be executed by firmware running on the ISP > +processor, while many others will use a set of fixed hardware blocks also > +called accelerator cluster (ACC) to crunch pixel data and produce statistics. > + > +ACC parameters as defined by :c:type:`ipu3_uapi_acc_param`, can be selectively > +enabled / disabled by the user space through struct :c:type:`ipu3_uapi_flags` > +embedded in :c:type:`ipu3_uapi_params` structure. For parameters that are not > +enabled by the user space, corresponding structs are ignored by the ISP. > + > +Both 3A statistics and pipeline parameters described here are closely tied to > +the underlying camera sub-system (CSS) APIs. They are usually consumed and > +produced by dedicated user space libraries that comprise the important tuning > +tools, thus freeing the developers from being bothered with the low level > +hardware and algorithm details. > + > +It should be noted that IPU3 DMA operations require the addresses of all data > +structures (that includes both input and output) to be aligned on 32 byte > +boundaries. > + > +The meta data :c:type:`ipu3_uapi_params` will be sent to "ipu3-imgu parameters" > +video node in ``V4L2_BUF_TYPE_META_CAPTURE`` format. > + > +.. code-block:: c > + > + struct ipu3_uapi_params { > + /* Flags which of the settings below are to be applied */ > + struct ipu3_uapi_flags use __attribute__((aligned(32))); > + > + /* Accelerator cluster parameters */ > + struct ipu3_uapi_acc_param acc_param; > + > + /* ISP vector address space parameters */ > + struct ipu3_uapi_isp_lin_vmem_params lin_vmem_params; > + struct ipu3_uapi_isp_tnr3_vmem_params tnr3_vmem_params; > + struct ipu3_uapi_isp_xnr3_vmem_params xnr3_vmem_params; > + > + /* ISP data memory (DMEM) parameters */ > + struct ipu3_uapi_isp_tnr3_params tnr3_dmem_params; > + struct ipu3_uapi_isp_xnr3_params xnr3_dmem_params; > + > + /* Optical black level compensation */ > + struct ipu3_uapi_obgrid_param obgrid_param; > + } __packed; > + > +Intel IPU3 ImgU uAPI data types > +=============================== > + > +.. kernel-doc:: include/uapi/linux/intel-ipu3.h > diff --git a/include/uapi/linux/intel-ipu3.h b/include/uapi/linux/intel-ipu3.h > new file mode 100644 > index 0000000..c2608b6 > --- /dev/null > +++ b/include/uapi/linux/intel-ipu3.h > @@ -0,0 +1,2819 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +/* Copyright (C) 2017 - 2018 Intel Corporation */ > + > +#ifndef __IPU3_UAPI_H > +#define __IPU3_UAPI_H > + > +#include > + > +/********************* Key Acronyms *************************/ > +/* > + * ACC - Accelerator cluster > + * ANR - Adaptive noise reduction > + * AWB_FR- Auto white balance filter response statistics > + * BNR - Bayer noise reduction parameters > + * BDS - Bayer downscaler parameters > + * CCM - Color correction matrix coefficients > + * CDS - Chroma down sample > + * CHNR - Chroma noise reduction > + * CSC - Color space conversion > + * DM - De-mosaic > + * IEFd - Image enhancement filter directed > + * Obgrid - Optical black level compensation > + * OSYS - Output system configuration > + * ROI - Region of interest > + * SHD - Lens shading correction table > + * TCC - Total color correction > + * YDS - Y down sampling > + * YTM - Y-tone mapping > + */ Hmm... It probably makes sense to convert this into a documentation block, e. g.: /** * DOC: Key Acronyms used by IPU3 ImgU driver * ... */ And then include this header inside Documentation/media/v4l-drivers/ipu3.rst. > + > +/* > + * IPU3 DMA operations require buffers to be aligned at > + * 32 byte boundaries > + */ > + > +/******************* ipu3_uapi_stats_3a *******************/ > + > +#define IPU3_UAPI_MAX_STRIPES 2 > +#define IPU3_UAPI_MAX_BUBBLE_SIZE 10 > + > +#define IPU3_UAPI_GRID_START_MASK ((1 << 12) - 1) > +#define IPU3_UAPI_GRID_Y_START_EN (1 << 15) > + > +/* controls generation of meta_data (like FF enable/disable) */ > +#define IPU3_UAPI_AWB_RGBS_THR_B_EN (1 << 14) > +#define IPU3_UAPI_AWB_RGBS_THR_B_INCL_SAT (1 << 15) > + > +/** > + * struct ipu3_uapi_grid_config - Grid plane config > + * > + * @width: Grid horizontal dimensions, in number of grid blocks(cells). > + * @height: Grid vertical dimensions, in number of grid cells. > + * @block_width_log2: Log2 of the width of each cell in pixels. > + * for (2^3, 2^4, 2^5, 2^6, 2^7), values [3, 7]. > + * @block_height_log2: Log2 of the height of each cell in pixels. > + * for (2^3, 2^4, 2^5, 2^6, 2^7), values [3, 7]. > + * @height_per_slice: The number of blocks in vertical axis per slice. > + * Default 2. > + * @x_start: X value of top left corner of Region of Interest(ROI). > + * @y_start: Y value of top left corner of ROI > + * @x_end: X value of bottom right corner of ROI > + * @y_end: Y value of bottom right corner of ROI > + * > + * Due to the size of total amount of collected data, most statistics > + * create a grid-based output, and the data is then divided into "slices". > + */ > +struct ipu3_uapi_grid_config { > + __u8 width; > + __u8 height; > + __u16 block_width_log2:3; > + __u16 block_height_log2:3; > + __u16 height_per_slice:8; > + __u16 x_start; > + __u16 y_start; > + __u16 x_end; > + __u16 y_end; > +} __packed; > + > +/* > + * The grid based data is divided into "slices" called set, each slice of setX > + * refers to ipu3_uapi_grid_config width * height_per_slice. > + */ > +#define IPU3_UAPI_AWB_MAX_SETS 60 > +/* Based on grid size 80 * 60 and cell size 16 x 16 */ > +#define IPU3_UAPI_AWB_SET_SIZE 1280 > +#define IPU3_UAPI_AWB_MD_ITEM_SIZE 8 > +#define IPU3_UAPI_AWB_SPARE_FOR_BUBBLES \ > + (IPU3_UAPI_MAX_BUBBLE_SIZE * IPU3_UAPI_MAX_STRIPES * \ > + IPU3_UAPI_AWB_MD_ITEM_SIZE) > +#define IPU3_UAPI_AWB_MAX_BUFFER_SIZE \ > + (IPU3_UAPI_AWB_MAX_SETS * \ > + (IPU3_UAPI_AWB_SET_SIZE + IPU3_UAPI_AWB_SPARE_FOR_BUBBLES)) > +/** > + * struct ipu3_uapi_awb_meta_data - AWB meta data > + * > + * @meta_data_buffer: Average values for each color channel > + */ > +struct ipu3_uapi_awb_meta_data { > + __u8 meta_data_buffer[IPU3_UAPI_AWB_MAX_BUFFER_SIZE]; > +} __packed; > + > +/** > + * struct ipu3_uapi_awb_raw_buffer - AWB raw buffer > + * > + * @meta_data: buffer to hold auto white balance meta data. > + */ > +struct ipu3_uapi_awb_raw_buffer { > + struct ipu3_uapi_awb_meta_data meta_data; > +} __packed; > + > +/** > + * struct ipu3_uapi_awb_config_s - AWB config > + * > + * @rgbs_thr_gr: gr threshold value. > + * @rgbs_thr_r: Red threshold value. > + * @rgbs_thr_gb: gb threshold value. > + * @rgbs_thr_b: Blue threshold value. > + * @grid: &ipu3_uapi_grid_config, the default grid resolution is 16x16 cells. > + * > + * The threshold is a saturation measure range [0, 8191], 8191 is default. > + * Values over threshold may be optionally rejected for averaging. > + */ > +struct ipu3_uapi_awb_config_s { > + __u16 rgbs_thr_gr; > + __u16 rgbs_thr_r; > + __u16 rgbs_thr_gb; > + __u16 rgbs_thr_b; > + struct ipu3_uapi_grid_config grid; > +} __attribute__((aligned(32))) __packed; Hmm... Kernel defines a macro for aligned attribute: include/linux/compiler_types.h:#define __aligned(x) __attribute__((aligned(x))) I'm not a gcc expert, but it sounds weird to first ask it to align with 32 bits and then have __packed (with means that pads should be removed). In other words, I *guess* is it should either be __packed or __aligned(32). Not that it would do any difference, in practice, as this specific struct has a size with is multiple of 32 bits, but let's do the right annotation here, not mixing two incompatible alignment requirements. > + > +/** > + * struct ipu3_uapi_awb_config - AWB config wrapper > + * > + * @config: config for auto white balance as defined by &ipu3_uapi_awb_config_s > + */ > +struct ipu3_uapi_awb_config { > + struct ipu3_uapi_awb_config_s config __attribute__((aligned(32))); > +} __packed; > + > +#define IPU3_UAPI_AE_COLORS 4 /* R, G, B, Y */ > +#define IPU3_UAPI_AE_BINS 256 > +#define IPU3_UAPI_AE_WEIGHTS 96 > + > +/** > + * struct ipu3_uapi_ae_raw_buffer - AE global weighted histogram > + * > + * @vals: Sum of IPU3_UAPI_AE_COLORS in cell > + * > + * Each histogram contains IPU3_UAPI_AE_BINS bins. Each bin has 24 bit unsigned > + * for counting the number of the pixel. > + */ > +struct ipu3_uapi_ae_raw_buffer { > + __u32 vals[IPU3_UAPI_AE_BINS * IPU3_UAPI_AE_COLORS]; > +} __packed; > + > +/** > + * struct ipu3_uapi_ae_raw_buffer_aligned - AE raw buffer > + * > + * @buff: &ipu3_uapi_ae_raw_buffer to hold full frame meta data. > + */ > +struct ipu3_uapi_ae_raw_buffer_aligned { > + struct ipu3_uapi_ae_raw_buffer buff __attribute__((aligned(32))); Please use __aligned(32). > +} __packed; > + > +/** > + * struct ipu3_uapi_ae_grid_config - AE weight grid > + * > + * @width: Grid horizontal dimensions. Value: [16, 32], default 16. > + * @height: Grid vertical dimensions. Value: [16, 24], default 16. > + * @block_width_log2: Log2 of the width of the grid cell, 2^3 = 16. > + * @block_height_log2: Log2 of the height of the grid cell, 2^3 = 16. > + * @__reserved0: reserved > + * @ae_en: 0: does not write to meta-data array, 1: write normally. > + * @rst_hist_array: write 1 to trigger histogram array reset. > + * @done_rst_hist_array: flag for histogram array reset done. > + * @x_start: X value of top left corner of ROI, default 0. > + * @y_start: Y value of top left corner of ROI, default 0. > + * @x_end: X value of bottom right corner of ROI > + * @y_end: Y value of bottom right corner of ROI > + * > + * The AE block accumulates 4 global weighted histograms(R, G, B, Y) over > + * a defined ROI within the frame. The contribution of each pixel into the > + * histogram, defined by &ipu3_uapi_ae_weight_elem LUT, is indexed by a grid. > + */ > +struct ipu3_uapi_ae_grid_config { > + __u8 width; > + __u8 height; > + __u8 block_width_log2:4; > + __u8 block_height_log2:4; > + __u8 __reserved0:5; > + __u8 ae_en:1; > + __u8 rst_hist_array:1; > + __u8 done_rst_hist_array:1; > + __u16 x_start; > + __u16 y_start; > + __u16 x_end; > + __u16 y_end; > +} __packed; > + > +/** > + * struct ipu3_uapi_ae_weight_elem - AE weights LUT > + * > + * @cell0: weighted histogram grid value. > + * @cell1: weighted histogram grid value. > + * @cell2: weighted histogram grid value. > + * @cell3: weighted histogram grid value. > + * @cell4: weighted histogram grid value. > + * @cell5: weighted histogram grid value. > + * @cell6: weighted histogram grid value. > + * @cell7: weighted histogram grid value. > + * > + * Use weighted grid value to give a different contribution factor to each cell. > + * Precision u4, range [0, 15]. > + */ > +struct ipu3_uapi_ae_weight_elem { > + __u32 cell0:4; > + __u32 cell1:4; > + __u32 cell2:4; > + __u32 cell3:4; > + __u32 cell4:4; > + __u32 cell5:4; > + __u32 cell6:4; > + __u32 cell7:4; > +} __packed; > + > +/** > + * struct ipu3_uapi_ae_ccm - AE coefficients for WB and CCM > + * > + * @gain_gr: WB gain factor for the gr channels. Default 256. > + * @gain_r: WB gain factor for the r channel. Default 256. > + * @gain_b: WB gain factor for the b channel. Default 256. > + * @gain_gb: WB gain factor for the gb channels. Default 256. > + * @mat: 4x4 matrix that transforms Bayer quad output from WB to RGB+Y. > + * > + * Default: > + * 128, 0, 0, 0, > + * 0, 128, 0, 0, > + * 0, 0, 128, 0, > + * 0, 0, 0, 128, > + * > + * As part of the raw frame pre-process stage, the WB and color conversion need > + * to be applied to expose the impact of these gain operations. > + */ > +struct ipu3_uapi_ae_ccm { > + __u16 gain_gr; > + __u16 gain_r; > + __u16 gain_b; > + __u16 gain_gb; > + __s16 mat[16]; > +} __packed; > + > +/** > + * struct ipu3_uapi_ae_config - AE config > + * > + * @grid_cfg: config for auto exposure statistics grid. See struct > + * &ipu3_uapi_ae_grid_config > + * @weights: &IPU3_UAPI_AE_WEIGHTS is based on 32x24 blocks in the grid. > + * Each grid cell has a corresponding value in weights LUT called > + * grid value, global histogram is updated based on grid value and > + * pixel value. > + * @ae_ccm: Color convert matrix pre-processing block. > + * > + * Calculate AE grid from image resolution, resample ae weights. > + */ > +struct ipu3_uapi_ae_config { > + struct ipu3_uapi_ae_grid_config grid_cfg __attribute__((aligned(32))); > + struct ipu3_uapi_ae_weight_elem weights[ > + IPU3_UAPI_AE_WEIGHTS] __attribute__((aligned(32))); > + struct ipu3_uapi_ae_ccm ae_ccm __attribute__((aligned(32))); Same above: __aligned(32). Please review the remaining of this header, as there are other occurrences of this pattern. > +} __packed; > + > +/** > + * struct ipu3_uapi_af_filter_config - AF 2D filter for contrast measurements > + * > + * @y1_coeff_0: filter Y1, structure: 3x11, support both symmetry and > + * anti-symmetry type. A12 is center, A1-A11 are neighbours. > + * for analyzing low frequency content, used to calculate sum > + * of gradients in x direction. > + * @y1_coeff_0.a1: filter1 coefficients A1, u8, default 0. > + * @y1_coeff_0.a2: filter1 coefficients A2, u8, default 0. > + * @y1_coeff_0.a3: filter1 coefficients A3, u8, default 0. > + * @y1_coeff_0.a4: filter1 coefficients A4, u8, default 0. > + * @y1_coeff_1: Struct > + * @y1_coeff_1.a5: filter1 coefficients A5, u8, default 0. > + * @y1_coeff_1.a6: filter1 coefficients A6, u8, default 0. > + * @y1_coeff_1.a7: filter1 coefficients A7, u8, default 0. > + * @y1_coeff_1.a8: filter1 coefficients A8, u8, default 0. > + * @y1_coeff_2: Struct > + * @y1_coeff_2.a9: filter1 coefficients A9, u8, default 0. > + * @y1_coeff_2.a10: filter1 coefficients A10, u8, default 0. > + * @y1_coeff_2.a11: filter1 coefficients A11, u8, default 0. > + * @y1_coeff_2.a12: filter1 coefficients A12, u8, default 128. > + * @y1_sign_vec: Each bit corresponds to one coefficient sign bit, > + * 0: positive, 1: negative, default 0. > + * @y2_coeff_0: Y2, same structure as Y1. For analyzing high frequency content. > + * @y2_coeff_0.a1: filter2 coefficients A1, u8, default 0. > + * @y2_coeff_0.a2: filter2 coefficients A2, u8, default 0. > + * @y2_coeff_0.a3: filter2 coefficients A3, u8, default 0. > + * @y2_coeff_0.a4: filter2 coefficients A4, u8, default 0. > + * @y2_coeff_1: Struct > + * @y2_coeff_1.a5: filter2 coefficients A5, u8, default 0. > + * @y2_coeff_1.a6: filter2 coefficients A6, u8, default 0. > + * @y2_coeff_1.a7: filter2 coefficients A7, u8, default 0. > + * @y2_coeff_1.a8: filter2 coefficients A8, u8, default 0. > + * @y2_coeff_2: Struct > + * @y2_coeff_2.a9: filter1 coefficients A9, u8, default 0. > + * @y2_coeff_2.a10: filter1 coefficients A10, u8, default 0. > + * @y2_coeff_2.a11: filter1 coefficients A11, u8, default 0. > + * @y2_coeff_2.a12: filter1 coefficients A12, u8, default 128. > + * @y2_sign_vec: Each bit corresponds to one coefficient sign bit, > + * 0: positive, 1: negative, default 0. > + * @y_calc: Pre-processing that converts Bayer quad to RGB+Y values to be > + * used for building histogram. Range [0, 32], default 8. > + * Rule: > + * y_gen_rate_gr + y_gen_rate_r + y_gen_rate_b + y_gen_rate_gb = 32 > + * A single Y is calculated based on sum of Gr/R/B/Gb based on > + * their contribution ratio. > + * @y_calc.y_gen_rate_gr: Contribution ratio Gr for Y > + * @y_calc.y_gen_rate_r: Contribution ratio R for Y > + * @y_calc.y_gen_rate_b: Contribution ratio B for Y > + * @y_calc.y_gen_rate_gb: Contribution ratio Gb for Y > + * @nf: The shift right value that should be applied during the Y1/Y2 filter to > + * make sure the total memory needed is 2 bytes per grid cell. > + * @nf.__reserved0: reserved > + * @nf.y1_nf: Normalization factor for the convolution coeffs of y1, > + * should be log2 of the sum of the abs values of the filter > + * coeffs, default 7 (2^7 = 128). > + * @nf.__reserved1: reserved > + * @nf.y2_nf: Normalization factor for y2, should be log2 of the sum of the > + * abs values of the filter coeffs. > + * @nf.__reserved2: reserved > + */ > +struct ipu3_uapi_af_filter_config { > + struct { > + __u8 a1; > + __u8 a2; > + __u8 a3; > + __u8 a4; > + } y1_coeff_0; > + struct { > + __u8 a5; > + __u8 a6; > + __u8 a7; > + __u8 a8; > + } y1_coeff_1; > + struct { > + __u8 a9; > + __u8 a10; > + __u8 a11; > + __u8 a12; > + } y1_coeff_2; > + > + __u32 y1_sign_vec; > + > + struct { > + __u8 a1; > + __u8 a2; > + __u8 a3; > + __u8 a4; > + } y2_coeff_0; > + struct { > + __u8 a5; > + __u8 a6; > + __u8 a7; > + __u8 a8; > + } y2_coeff_1; > + struct { > + __u8 a9; > + __u8 a10; > + __u8 a11; > + __u8 a12; > + } y2_coeff_2; > + > + __u32 y2_sign_vec; > + > + struct { > + __u8 y_gen_rate_gr; > + __u8 y_gen_rate_r; > + __u8 y_gen_rate_b; > + __u8 y_gen_rate_gb; > + } y_calc; > + > + struct { > + __u32 __reserved0:8; > + __u32 y1_nf:4; > + __u32 __reserved1:4; > + __u32 y2_nf:4; > + __u32 __reserved2:12; > + } nf; > +} __packed; > + > +#define IPU3_UAPI_AF_MAX_SETS 24 > +#define IPU3_UAPI_AF_MD_ITEM_SIZE 4 > +#define IPU3_UAPI_AF_SPARE_FOR_BUBBLES \ > + (IPU3_UAPI_MAX_BUBBLE_SIZE * IPU3_UAPI_MAX_STRIPES * \ > + IPU3_UAPI_AF_MD_ITEM_SIZE) > +#define IPU3_UAPI_AF_Y_TABLE_SET_SIZE 128 > +#define IPU3_UAPI_AF_Y_TABLE_MAX_SIZE \ > + (IPU3_UAPI_AF_MAX_SETS * \ > + (IPU3_UAPI_AF_Y_TABLE_SET_SIZE + IPU3_UAPI_AF_SPARE_FOR_BUBBLES) * \ > + IPU3_UAPI_MAX_STRIPES) > + > +/** > + * struct ipu3_uapi_af_meta_data - AF meta data > + * > + * @y_table: Each color component will be convolved separately with filter1 > + * and filter2 and the result will be summed out and averaged for > + * each cell. > + */ > +struct ipu3_uapi_af_meta_data { > + __u8 y_table[IPU3_UAPI_AF_Y_TABLE_MAX_SIZE] __attribute__((aligned(32))); > +} __packed; > + > +/** > + * struct ipu3_uapi_af_raw_buffer - AF raw buffer > + * > + * @meta_data: raw buffer &ipu3_uapi_af_meta_data for auto focus meta data. > + */ > +struct ipu3_uapi_af_raw_buffer { > + struct ipu3_uapi_af_meta_data meta_data __attribute__((aligned(32))); > +} __packed; > + > +/** > + * struct ipu3_uapi_af_config_s - AF config > + * > + * @filter_config: AF uses Y1 and Y2 filters as configured in > + * &ipu3_uapi_af_filter_config > + * @padding: paddings > + * @grid_cfg: See &ipu3_uapi_grid_config, default resolution 16x16. Use large > + * grid size for large image and vice versa. > + */ > +struct ipu3_uapi_af_config_s { > + struct ipu3_uapi_af_filter_config filter_config __attribute__((aligned(32))); > + __u8 padding[4]; > + struct ipu3_uapi_grid_config grid_cfg __attribute__((aligned(32))); > +} __packed; > + > +/** > + * struct ipu3_uapi_af_config - AF config wrapper > + * > + * @config: config for auto focus as defined by &ipu3_uapi_af_config_s > + */ > +struct ipu3_uapi_af_config { > + struct ipu3_uapi_af_config_s config; > +} __packed; > + > +#define IPU3_UAPI_AWB_FR_MAX_SETS 24 > +#define IPU3_UAPI_AWB_FR_MD_ITEM_SIZE 8 > +#define IPU3_UAPI_AWB_FR_BAYER_TBL_SIZE 256 > +#define IPU3_UAPI_AWB_FR_SPARE_FOR_BUBBLES \ > + (IPU3_UAPI_MAX_BUBBLE_SIZE * IPU3_UAPI_MAX_STRIPES * \ > + IPU3_UAPI_AWB_FR_MD_ITEM_SIZE) > +#define IPU3_UAPI_AWB_FR_BAYER_TABLE_MAX_SIZE \ > + (IPU3_UAPI_AWB_FR_MAX_SETS * \ > + (IPU3_UAPI_AWB_FR_BAYER_TBL_SIZE + \ > + IPU3_UAPI_AWB_FR_SPARE_FOR_BUBBLES) * IPU3_UAPI_MAX_STRIPES) > + > +/** > + * struct ipu3_uapi_awb_fr_meta_data - AWB filter response meta data > + * > + * @bayer_table: Statistics output on the grid after convolving with 1D filter. > + */ > +struct ipu3_uapi_awb_fr_meta_data { > + __u8 bayer_table[IPU3_UAPI_AWB_FR_BAYER_TABLE_MAX_SIZE] __attribute__((aligned(32))); > +} __packed; > + > +/** > + * struct ipu3_uapi_awb_fr_raw_buffer - AWB filter response raw buffer > + * > + * @meta_data: See &ipu3_uapi_awb_fr_meta_data. > + */ > +struct ipu3_uapi_awb_fr_raw_buffer { > + struct ipu3_uapi_awb_fr_meta_data meta_data; > +} __packed; > + > +/** > + * struct ipu3_uapi_awb_fr_config_s - AWB filter response config > + * > + * @grid_cfg: grid config, default 16x16. > + * @bayer_coeff: 1D Filter 1x11 center symmetry/anti-symmetry. > + * coeffcients defaults { 0, 0, 0, 0, 0, 128 }. > + * Applied on whole image for each Bayer channel separately > + * by a weighted sum of its 11x1 neighbors. > + * @__reserved1: reserved > + * @bayer_sign: sign of filter coeffcients, default 0. > + * @bayer_nf: normalization factor for the convolution coeffs, to make sure > + * total memory needed is within pre-determined range. > + * NF should be the log2 of the sum of the abs values of the > + * filter coeffs, range [7, 14], default 7. > + * @__reserved2: reserved > + */ > +struct ipu3_uapi_awb_fr_config_s { > + struct ipu3_uapi_grid_config grid_cfg; > + __u8 bayer_coeff[6]; > + __u16 __reserved1; > + __u32 bayer_sign; > + __u8 bayer_nf; > + __u8 __reserved2[3]; > +} __attribute__((aligned(32))) __packed; > + > +/** > + * struct ipu3_uapi_awb_fr_config - AWB filter response config wrapper > + * > + * @config: See &ipu3_uapi_awb_fr_config_s. > + */ > +struct ipu3_uapi_awb_fr_config { > + struct ipu3_uapi_awb_fr_config_s config; > +} __packed; > + > +/** > + * struct ipu3_uapi_4a_config - 4A config > + * > + * @awb_config: &ipu3_uapi_awb_config_s, default resolution 16x16 > + * @ae_grd_config: auto exposure statistics &ipu3_uapi_ae_grid_config > + * @padding: paddings > + * @af_config: auto focus config &ipu3_uapi_af_config_s > + * @awb_fr_config: &ipu3_uapi_awb_fr_config_s, default resolution 16x16 > + */ > +struct ipu3_uapi_4a_config { > + struct ipu3_uapi_awb_config_s awb_config __attribute__((aligned(32))); > + struct ipu3_uapi_ae_grid_config ae_grd_config; > + __u8 padding[20]; > + struct ipu3_uapi_af_config_s af_config; > + struct ipu3_uapi_awb_fr_config_s awb_fr_config; > +} __packed; > + > +/** > + * struct ipu3_uapi_bubble_info - Bubble info for host side debugging > + * > + * @num_of_stripes: A single frame is divided into several parts called stripes > + * due to limitation on line buffer memory. > + * The separation between the stripes is vertical. Each such > + * stripe is processed as a single frame by the ISP pipe. > + * @padding: padding bytes. > + * @num_sets: number of sets. > + * @padding1: padding bytes. > + * @size_of_set: set size. > + * @padding2: padding bytes. > + * @bubble_size: is the amount of padding in the bubble expressed in "sets". > + * @padding3: padding bytes. > + */ > +struct ipu3_uapi_bubble_info { > + __u32 num_of_stripes __attribute__((aligned(32))); > + __u8 padding[28]; > + __u32 num_sets; > + __u8 padding1[28]; > + __u32 size_of_set; > + __u8 padding2[28]; > + __u32 bubble_size; > + __u8 padding3[28]; > +} __packed; > + > +/* > + * struct ipu3_uapi_stats_3a_bubble_info_per_stripe > + */ > +struct ipu3_uapi_stats_3a_bubble_info_per_stripe { > + struct ipu3_uapi_bubble_info awb[IPU3_UAPI_MAX_STRIPES]; > + struct ipu3_uapi_bubble_info af[IPU3_UAPI_MAX_STRIPES]; > + struct ipu3_uapi_bubble_info awb_fr[IPU3_UAPI_MAX_STRIPES]; > +} __packed; > + > +/** > + * struct ipu3_uapi_ff_status - Enable bits for each 3A fixed function > + * > + * @awb_en: auto white balance enable > + * @padding: padding config > + * @ae_en: auto exposure enable > + * @padding1: padding config > + * @af_en: auto focus enable > + * @padding2: padding config > + * @awb_fr_en: awb filter response enable bit > + * @padding3: padding config > + */ > +struct ipu3_uapi_ff_status { > + __u32 awb_en __attribute__((aligned(32))); > + __u8 padding[28]; > + __u32 ae_en; > + __u8 padding1[28]; > + __u32 af_en; > + __u8 padding2[28]; > + __u32 awb_fr_en; > + __u8 padding3[28]; > +} __packed; > + > +/** > + * struct ipu3_uapi_stats_3a - 3A statistics > + * > + * @awb_raw_buffer: auto white balance meta data &ipu3_uapi_awb_raw_buffer > + * @ae_raw_buffer: auto exposure raw data &ipu3_uapi_ae_raw_buffer_aligned > + * @af_raw_buffer: &ipu3_uapi_af_raw_buffer for auto focus meta data > + * @awb_fr_raw_buffer: value as specified by &ipu3_uapi_awb_fr_raw_buffer > + * @stats_4a_config: 4a statistics config as defined by &ipu3_uapi_4a_config. > + * @ae_join_buffers: 1 to use ae_raw_buffer. > + * @padding: padding config > + * @stats_3a_bubble_per_stripe: a &ipu3_uapi_stats_3a_bubble_info_per_stripe > + * @stats_3a_status: 3a statistics status set in &ipu3_uapi_ff_status > + */ > +struct ipu3_uapi_stats_3a { > + struct ipu3_uapi_awb_raw_buffer awb_raw_buffer __attribute__((aligned(32))); > + struct ipu3_uapi_ae_raw_buffer_aligned > + ae_raw_buffer[IPU3_UAPI_MAX_STRIPES]; > + struct ipu3_uapi_af_raw_buffer af_raw_buffer; > + struct ipu3_uapi_awb_fr_raw_buffer awb_fr_raw_buffer; > + struct ipu3_uapi_4a_config stats_4a_config; > + __u32 ae_join_buffers; > + __u8 padding[28]; > + struct ipu3_uapi_stats_3a_bubble_info_per_stripe > + stats_3a_bubble_per_stripe; > + struct ipu3_uapi_ff_status stats_3a_status; > +} __packed; > + > +/******************* ipu3_uapi_acc_param *******************/ > + > +#define IPU3_UAPI_ISP_VEC_ELEMS 64 > +#define IPU3_UAPI_ISP_TNR3_VMEM_LEN 9 > + > +#define IPU3_UAPI_BNR_LUT_SIZE 32 > + > +/* number of elements in gamma correction LUT */ > +#define IPU3_UAPI_GAMMA_CORR_LUT_ENTRIES 256 > + > +/* largest grid is 73x56, for grid_height_per_slice of 2, 73x2 = 146 */ > +#define IPU3_UAPI_SHD_MAX_CELLS_PER_SET 146 > +#define IPU3_UAPI_SHD_MAX_CFG_SETS 28 > +/* Normalization shift aka nf */ > +#define IPU3_UAPI_SHD_BLGR_NF_SHIFT 13 > +#define IPU3_UAPI_SHD_BLGR_NF_MASK 7 > + > +#define IPU3_UAPI_YUVP2_TCC_MACC_TABLE_ELEMENTS 16 > +#define IPU3_UAPI_YUVP2_TCC_INV_Y_LUT_ELEMENTS 14 > +#define IPU3_UAPI_YUVP2_TCC_GAIN_PCWL_LUT_ELEMENTS 258 > +#define IPU3_UAPI_YUVP2_TCC_R_SQR_LUT_ELEMENTS 24 > + > +#define IPU3_UAPI_ANR_LUT_SIZE 26 > +#define IPU3_UAPI_ANR_PYRAMID_SIZE 22 > + > +#define IPU3_UAPI_LIN_LUT_SIZE 64 > + > +/* Bayer Noise Reduction related structs */ > + > +/** > + * struct ipu3_uapi_bnr_static_config_wb_gains_config - White balance gains > + * > + * @gr: white balance gain for Gr channel. > + * @r: white balance gain for R channel. > + * @b: white balance gain for B channel. > + * @gb: white balance gain for Gb channel. > + * > + * Precision u3.13, range [0, 8]. White balance correction is done by applying > + * a multiplicative gain to each color channels prior to BNR. > + */ > +struct ipu3_uapi_bnr_static_config_wb_gains_config { > + __u16 gr; > + __u16 r; > + __u16 b; > + __u16 gb; > +} __packed; > + > +/** > + * struct ipu3_uapi_bnr_static_config_wb_gains_thr_config - Threshold config > + * > + * @gr: white balance threshold gain for Gr channel. > + * @r: white balance threshold gain for R channel. > + * @b: white balance threshold gain for B channel. > + * @gb: white balance threshold gain for Gb channel. > + * > + * Defines the threshold that specifies how different a defect pixel can be from > + * its neighbors.(used by dynamic defect pixel correction sub block) > + * Precision u4.4 range [0, 8]. > + */ > +struct ipu3_uapi_bnr_static_config_wb_gains_thr_config { > + __u8 gr; > + __u8 r; > + __u8 b; > + __u8 gb; > +} __packed; > + > +/** > + * struct ipu3_uapi_bnr_static_config_thr_coeffs_config - Noise model > + * coefficients that controls noise threshold > + * > + * @cf: Free coefficient for threshold calculation, range [0, 8191], default 0. > + * @__reserved0: reserved > + * @cg: Gain coefficient for threshold calculation, [0, 31], default 8. > + * @ci: Intensity coefficient for threshold calculation. range [0, 0x1f] > + * default 6. > + * format: u3.2 (3 most significant bits represent whole number, > + * 2 least significant bits represent the fractional part > + * with each count representing 0.25) > + * e.g 6 in binary format is 00110, that translates to 1.5 > + * @__reserved1: reserved > + * @r_nf: Normalization shift value for r^2 calculation, range [12, 20] > + * where r is a radius of pixel [row, col] from centor of sensor. > + * default 14. > + * > + * Threshold used to distinguish between noise and details. > + */ > +struct ipu3_uapi_bnr_static_config_thr_coeffs_config { > + __u32 cf:13; > + __u32 __reserved0:3; > + __u32 cg:5; > + __u32 ci:5; > + __u32 __reserved1:1; > + __u32 r_nf:5; > +} __packed; > + > +/** > + * struct ipu3_uapi_bnr_static_config_thr_ctrl_shd_config - Shading config > + * > + * @gr: Coefficient defines lens shading gain approximation for gr channel > + * @r: Coefficient defines lens shading gain approximation for r channel > + * @b: Coefficient defines lens shading gain approximation for b channel > + * @gb: Coefficient defines lens shading gain approximation for gb channel > + * > + * Parameters for noise model (NM) adaptation of BNR due to shading correction. > + * All above have precision of u3.3, default to 0. > + */ > +struct ipu3_uapi_bnr_static_config_thr_ctrl_shd_config { > + __u8 gr; > + __u8 r; > + __u8 b; > + __u8 gb; > +} __packed; > + > +/** > + * struct ipu3_uapi_bnr_static_config_opt_center_config - Optical center config > + * > + * @x_reset: Reset value of X (col start - X center). Precision s12.0. > + * @__reserved0: reserved > + * @y_reset: Reset value of Y (row start - Y center). Precision s12.0. > + * @__reserved2: reserved > + * > + * Distance from corner to optical center for NM adaptation due to shading > + * correction (should be calculated based on shading tables) > + */ > +struct ipu3_uapi_bnr_static_config_opt_center_config { > + __s32 x_reset:13; > + __u32 __reserved0:3; > + __s32 y_reset:13; > + __u32 __reserved2:3; > +} __packed; > + > +/** > + * struct ipu3_uapi_bnr_static_config_lut_config - BNR square root lookup table > + * > + * @values: pre-calculated values of square root function. > + * > + * LUT implementation of square root operation. > + */ > +struct ipu3_uapi_bnr_static_config_lut_config { > + __u8 values[IPU3_UAPI_BNR_LUT_SIZE]; > +} __packed; > + > +/** > + * struct ipu3_uapi_bnr_static_config_bp_ctrl_config - Detect bad pixels (bp) > + * > + * @bp_thr_gain: Defines the threshold that specifies how different a > + * defect pixel can be from its neighbors. Threshold is > + * dependent on de-noise threshold calculated by algorithm. > + * Range [4, 31], default 4. > + * @__reserved0: reserved > + * @defect_mode: Mode of addressed defect pixels, > + * 0 - single defect pixel is expected, > + * 1 - 2 adjacent defect pixels are expected, default 1. > + * @bp_gain: Defines how 2nd derivation that passes through a defect pixel > + * is different from 2nd derivations that pass through > + * neighbor pixels. u4.2, range [0, 256], default 8. > + * @__reserved1: reserved > + * @w0_coeff: Blending coefficient of defect pixel correction. > + * Precision u4, range [0, 8], default 8. > + * @__reserved2: reserved > + * @w1_coeff: Enable influence of incorrect defect pixel correction to be > + * avoided. Precision u4, range [1, 8], default 8. > + * @__reserved3: reserved > + */ > +struct ipu3_uapi_bnr_static_config_bp_ctrl_config { > + __u32 bp_thr_gain:5; > + __u32 __reserved0:2; > + __u32 defect_mode:1; > + __u32 bp_gain:6; > + __u32 __reserved1:18; > + __u32 w0_coeff:4; > + __u32 __reserved2:4; > + __u32 w1_coeff:4; > + __u32 __reserved3:20; > +} __packed; > + > +/** > + * struct ipu3_uapi_bnr_static_config_dn_detect_ctrl_config - Denoising config > + * > + * @alpha: Weight of central element of smoothing filter. > + * @beta: Weight of peripheral elements of smoothing filter, default 4. > + * @gamma: Weight of diagonal elements of smoothing filter, default 4. > + * > + * beta and gamma parameter define the strength of the noise removal filter. > + * All above has precision u0.4, range [0, 0xf] > + * format: u0.4 (no / zero bits represent whole number, > + * 4 bits represent the fractional part > + * with each count representing 0.0625) > + * e.g 0xf translates to 0.0625x15 = 0.9375 > + * > + * @__reserved0: reserved > + * @max_inf: Maximum increase of peripheral or diagonal element influence > + * relative to the pre-defined value range: [0x5, 0xa] > + * @__reserved1: reserved > + * @gd_enable: Green disparity enable control, 0 - disable, 1 - enable. > + * @bpc_enable: Bad pixel correction enable control, 0 - disable, 1 - enable. > + * @bnr_enable: Bayer noise removal enable control, 0 - disable, 1 - enable. > + * @ff_enable: Fixed function enable, 0 - disable, 1 - enable. > + * @__reserved2: reserved > + */ > +struct ipu3_uapi_bnr_static_config_dn_detect_ctrl_config { > + __u32 alpha:4; > + __u32 beta:4; > + __u32 gamma:4; > + __u32 __reserved0:4; > + __u32 max_inf:4; > + __u32 __reserved1:7; > + __u32 gd_enable:1; > + __u32 bpc_enable:1; > + __u32 bnr_enable:1; > + __u32 ff_enable:1; > + __u32 __reserved2:1; > +} __packed; > + > +/** > + * struct ipu3_uapi_bnr_static_config_opt_center_sqr_config - BNR optical square > + * > + * @x_sqr_reset: Reset value of X^2. > + * @y_sqr_reset: Reset value of Y^2. > + * > + * Please note: > + * > + * #. X and Y ref to > + * &ipu3_uapi_bnr_static_config_opt_center_config > + * #. Both structs are used in threshold formula to calculate r^2, where r > + * is a radius of pixel [row, col] from centor of sensor. > + */ > +struct ipu3_uapi_bnr_static_config_opt_center_sqr_config { > + __u32 x_sqr_reset; > + __u32 y_sqr_reset; > +} __packed; > + > +/** > + * struct ipu3_uapi_bnr_static_config - BNR static config > + * > + * @wb_gains: white balance gains &ipu3_uapi_bnr_static_config_wb_gains_config > + * @wb_gains_thr: white balance gains threshold as defined by > + * &ipu3_uapi_bnr_static_config_wb_gains_thr_config > + * @thr_coeffs: coefficients of threshold > + * &ipu3_uapi_bnr_static_config_thr_coeffs_config > + * @thr_ctrl_shd: control of shading threshold > + * &ipu3_uapi_bnr_static_config_thr_ctrl_shd_config > + * @opt_center: optical center &ipu3_uapi_bnr_static_config_opt_center_config > + * > + * Above parameters and opt_center_sqr are used for white balance and shading. > + * > + * @lut: lookup table &ipu3_uapi_bnr_static_config_lut_config > + * @bp_ctrl: detect and remove bad pixels as defined in struct > + * &ipu3_uapi_bnr_static_config_bp_ctrl_config > + * @dn_detect_ctrl: detect and remove noise. > + * &ipu3_uapi_bnr_static_config_dn_detect_ctrl_config > + * @column_size: The number of pixels in column. > + * @opt_center_sqr: Reset value of r^2 to optical center, see > + * &ipu3_uapi_bnr_static_config_opt_center_sqr_config. > + */ > +struct ipu3_uapi_bnr_static_config { > + struct ipu3_uapi_bnr_static_config_wb_gains_config wb_gains; > + struct ipu3_uapi_bnr_static_config_wb_gains_thr_config wb_gains_thr; > + struct ipu3_uapi_bnr_static_config_thr_coeffs_config thr_coeffs; > + struct ipu3_uapi_bnr_static_config_thr_ctrl_shd_config thr_ctrl_shd; > + struct ipu3_uapi_bnr_static_config_opt_center_config opt_center; > + struct ipu3_uapi_bnr_static_config_lut_config lut; > + struct ipu3_uapi_bnr_static_config_bp_ctrl_config bp_ctrl; > + struct ipu3_uapi_bnr_static_config_dn_detect_ctrl_config dn_detect_ctrl; > + __u32 column_size; > + struct ipu3_uapi_bnr_static_config_opt_center_sqr_config opt_center_sqr; > +} __packed; > + > +/** > + * struct ipu3_uapi_bnr_static_config_green_disparity - Correct green disparity > + * > + * @gd_red: Shading gain coeff for gr disparity level in bright red region. > + * Precision u0.6, default 4(0.0625). > + * @__reserved0: reserved > + * @gd_green: Shading gain coeff for gr disparity level in bright green > + * region. Precision u0.6, default 4(0.0625). > + * @__reserved1: reserved > + * @gd_blue: Shading gain coeff for gr disparity level in bright blue region. > + * Precision u0.6, default 4(0.0625). > + * @__reserved2: reserved > + * @gd_black: Maximal green disparity level in dark region (stronger disparity > + * assumed to be image detail). Precision u14, default 80. > + * @__reserved3: reserved > + * @gd_shading: Change maximal green disparity level according to square > + * distance from image center. > + * @__reserved4: reserved > + * @gd_support: Lower bound for the number of second green color pixels in > + * current pixel neighborhood with less than threshold difference > + * from it. > + * > + * The shading gain coeff of red, green, blue and black are used to calculate > + * threshold given a pixel's color value and its coordinates in the image. > + * > + * @__reserved5: reserved > + * @gd_clip: Turn green disparity clip on/off, [0, 1], default 1. > + * @gd_central_weight: Central pixel weight in 9 pixels weighted sum. > + */ > +struct ipu3_uapi_bnr_static_config_green_disparity { > + __u32 gd_red:6; > + __u32 __reserved0:2; > + __u32 gd_green:6; > + __u32 __reserved1:2; > + __u32 gd_blue:6; > + __u32 __reserved2:10; > + __u32 gd_black:14; > + __u32 __reserved3:2; > + __u32 gd_shading:7; > + __u32 __reserved4:1; > + __u32 gd_support:2; > + __u32 __reserved5:1; > + __u32 gd_clip:1; > + __u32 gd_central_weight:4; > +} __packed; > + > +/** > + * struct ipu3_uapi_dm_config - De-mosaic parameters > + * > + * @dm_en: de-mosaic enable. > + * @ch_ar_en: Checker artifacts removal enable flag. Default 0. > + * @fcc_en: False color correction (FCC) enable flag. Default 0. > + * @__reserved0: reserved > + * @frame_width: do not care > + * @gamma_sc: Sharpening coefficient (coefficient of 2-d derivation of > + * complementary color in Hamilton-Adams interpolation). > + * u5, range [0, 31], default 8. > + * @__reserved1: reserved > + * @lc_ctrl: Parameter that controls weights of Chroma Homogeneity metric > + * in calculation of final homogeneity metric. > + * u5, range [0, 31], default 7. > + * @__reserved2: reserved > + * @cr_param1: First parameter that defines Checker artifact removal > + * feature gain.Precision u5, range [0, 31], default 8. > + * @__reserved3: reserved > + * @cr_param2: Second parameter that defines Checker artifact removal > + * feature gain. Precision u5, range [0, 31], default 8. > + * @__reserved4: reserved > + * @coring_param: Defines power of false color correction operation. > + * low for preserving edge colors, high for preserving gray > + * edge artifacts. u1.4, range [0, 1.9375], default 4(0.25). > + * @__reserved5: reserved > + * > + * The demosaic fixed function block is responsible to covert Bayer(mosaiced) > + * images into color images based on demosaicing algorithm. > + */ > +struct ipu3_uapi_dm_config { > + __u32 dm_en:1; > + __u32 ch_ar_en:1; > + __u32 fcc_en:1; > + __u32 __reserved0:13; > + __u32 frame_width:16; > + > + __u32 gamma_sc:5; > + __u32 __reserved1:3; > + __u32 lc_ctrl:5; > + __u32 __reserved2:3; > + __u32 cr_param1:5; > + __u32 __reserved3:3; > + __u32 cr_param2:5; > + __u32 __reserved4:3; > + > + __u32 coring_param:5; > + __u32 __reserved5:27; > +} __packed; > + > +/** > + * struct ipu3_uapi_ccm_mat_config - Color correction matrix > + * > + * @coeff_m11: CCM 3x3 coefficient, range [-65536, 65535] > + * @coeff_m12: CCM 3x3 coefficient, range [-8192, 8191] > + * @coeff_m13: CCM 3x3 coefficient, range [-32768, 32767] > + * @coeff_o_r: Bias 3x1 coefficient, range [-8191, 8181] > + * @coeff_m21: CCM 3x3 coefficient, range [-32767, 32767] > + * @coeff_m22: CCM 3x3 coefficient, range [-8192, 8191] > + * @coeff_m23: CCM 3x3 coefficient, range [-32768, 32767] > + * @coeff_o_g: Bias 3x1 coefficient, range [-8191, 8181] > + * @coeff_m31: CCM 3x3 coefficient, range [-32768, 32767] > + * @coeff_m32: CCM 3x3 coefficient, range [-8192, 8191] > + * @coeff_m33: CCM 3x3 coefficient, range [-32768, 32767] > + * @coeff_o_b: Bias 3x1 coefficient, range [-8191, 8181] > + * > + * Transform sensor specific color space to standard sRGB by applying 3x3 matrix > + * and adding a bias vector O. The transformation is basically a rotation and > + * translation in the 3-dimensional color spaces. Here are the defaults: > + * > + * 9775, -2671, 1087, 0 > + * -1071, 8303, 815, 0 > + * -23, -7887, 16103, 0 > + */ > +struct ipu3_uapi_ccm_mat_config { > + __s16 coeff_m11; > + __s16 coeff_m12; > + __s16 coeff_m13; > + __s16 coeff_o_r; > + __s16 coeff_m21; > + __s16 coeff_m22; > + __s16 coeff_m23; > + __s16 coeff_o_g; > + __s16 coeff_m31; > + __s16 coeff_m32; > + __s16 coeff_m33; > + __s16 coeff_o_b; > +} __packed; > + > +/** > + * struct ipu3_uapi_gamma_corr_ctrl - Gamma correction > + * > + * @enable: gamma correction enable. > + * @__reserved: reserved > + */ > +struct ipu3_uapi_gamma_corr_ctrl { > + __u32 enable:1; > + __u32 __reserved:31; > +} __packed; > + > +/** > + * struct ipu3_uapi_gamma_corr_lut - Per-pixel tone mapping implemented as LUT. > + * > + * @lut: 256 tabulated values of the gamma function. LUT[1].. LUT[256] > + * format u13.0, range [0, 8191]. > + * > + * The tone mapping operation is done by a Piece wise linear graph > + * that is implemented as a lookup table(LUT). The pixel component input > + * intensity is the X-axis of the graph which is the table entry. > + */ > +struct ipu3_uapi_gamma_corr_lut { > + __u16 lut[IPU3_UAPI_GAMMA_CORR_LUT_ENTRIES]; > +} __packed; > + > +/** > + * struct ipu3_uapi_gamma_config - Gamma config > + * > + * @gc_ctrl: control of gamma correction &ipu3_uapi_gamma_corr_ctrl > + * @gc_lut: lookup table of gamma correction &ipu3_uapi_gamma_corr_lut > + */ > +struct ipu3_uapi_gamma_config { > + struct ipu3_uapi_gamma_corr_ctrl gc_ctrl __attribute__((aligned(32))); > + struct ipu3_uapi_gamma_corr_lut gc_lut __attribute__((aligned(32))); > +} __packed; > + > +/** > + * struct ipu3_uapi_csc_mat_config - Color space conversion matrix config > + * > + * @coeff_c11: Conversion matrix value, format s0.14, range [-1, 1], default 1. > + * @coeff_c12: Conversion matrix value, format s0.14, range [-1, 1], default 0. > + * @coeff_c13: Conversion matrix value, format s0.14, range [-1, 1], default 0. > + * @coeff_b1: Bias 3x1 coefficient, s13,0 range [-8191, 8181], default 0. > + * @coeff_c21: Conversion matrix value, format s0.14, range [-1, 1], default 0. > + * @coeff_c22: Conversion matrix value, format s0.14, range [-1, 1], default 1. > + * @coeff_c23: Conversion matrix value, format s0.14, range [-1, 1], default 0. > + * @coeff_b2: Bias 3x1 coefficient, s13,0 range [-8191, 8181], default 0. > + * @coeff_c31: Conversion matrix value, format s0.14, range [-1, 1], default 0. > + * @coeff_c32: Conversion matrix value, format s0.14, range [-1, 1], default 0. > + * @coeff_c33: Conversion matrix value, format s0.14, range [-1, 1], default 1. > + * @coeff_b3: Bias 3x1 coefficient, s13,0 range [-8191, 8181], default 0. > + * > + * To transform each pixel from RGB to YUV (Y - brightness/luminance, > + * UV -chroma) by applying the pixel's values by a 3x3 matrix and adding an > + * optional bias 3x1 vector. > + */ > +struct ipu3_uapi_csc_mat_config { > + __s16 coeff_c11; > + __s16 coeff_c12; > + __s16 coeff_c13; > + __s16 coeff_b1; > + __s16 coeff_c21; > + __s16 coeff_c22; > + __s16 coeff_c23; > + __s16 coeff_b2; > + __s16 coeff_c31; > + __s16 coeff_c32; > + __s16 coeff_c33; > + __s16 coeff_b3; > +} __packed; > + > +/** > + * struct ipu3_uapi_cds_params - Chroma down-scaling > + * > + * @ds_c00: range [0, 3] > + * @ds_c01: range [0, 3] > + * @ds_c02: range [0, 3] > + * @ds_c03: range [0, 3] > + * @ds_c10: range [0, 3] > + * @ds_c11: range [0, 3] > + * @ds_c12: range [0, 3] > + * @ds_c13: range [0, 3] > + * > + * In case user does not provide, above 4x2 filter will use following defaults: > + * 1, 3, 3, 1, > + * 1, 3, 3, 1, > + * > + * @ds_nf: Normalization factor for Chroma output downscaling filter, > + * range 0,4, default 2. > + * @__reserved0: reserved > + * @csc_en: Color space conversion enable > + * @uv_bin_output: 0: output YUV 4.2.0, 1: output YUV 4.2.2(default). > + * @__reserved1: reserved > + */ > +struct ipu3_uapi_cds_params { > + __u32 ds_c00:2; > + __u32 ds_c01:2; > + __u32 ds_c02:2; > + __u32 ds_c03:2; > + __u32 ds_c10:2; > + __u32 ds_c11:2; > + __u32 ds_c12:2; > + __u32 ds_c13:2; > + __u32 ds_nf:5; > + __u32 __reserved0:3; > + __u32 csc_en:1; > + __u32 uv_bin_output:1; > + __u32 __reserved1:6; > +} __packed; > + > +/** > + * struct ipu3_uapi_shd_grid_config - Bayer shading(darkening) correction > + * > + * @width: Grid horizontal dimensions, u8, [8, 128], default 73 > + * @height: Grid vertical dimensions, u8, [8, 128], default 56 > + * @block_width_log2: Log2 of the width of the grid cell in pixel count > + * u4, [0, 15], default value 5. > + * @__reserved0: reserved > + * @block_height_log2: Log2 of the height of the grid cell in pixel count > + * u4, [0, 15], default value 6. > + * @__reserved1: reserved > + * @grid_height_per_slice: SHD_MAX_CELLS_PER_SET/width. > + * (with SHD_MAX_CELLS_PER_SET = 146). > + * @x_start: X value of top left corner of sensor relative to ROI > + * u12, [-4096, 0]. default 0, only negative values. > + * @y_start: Y value of top left corner of sensor relative to ROI > + * u12, [-4096, 0]. default 0, only negative values. > + */ > +struct ipu3_uapi_shd_grid_config { > + /* reg 0 */ > + __u8 width; > + __u8 height; > + __u8 block_width_log2:3; > + __u8 __reserved0:1; > + __u8 block_height_log2:3; > + __u8 __reserved1:1; > + __u8 grid_height_per_slice; > + /* reg 1 */ > + __s16 x_start; > + __s16 y_start; > +} __packed; > + > +/** > + * struct ipu3_uapi_shd_general_config - Shading general config > + * > + * @init_set_vrt_offst_ul: set vertical offset, > + * y_start >> block_height_log2 % grid_height_per_slice. > + * @shd_enable: shading enable. > + * @gain_factor: Gain factor. Shift calculated anti shading value. Precision u2. > + * 0x0 - gain factor [1, 5], means no shift interpolated value. > + * 0x1 - gain factor [1, 9], means shift interpolated by 1. > + * 0x2 - gain factor [1, 17], means shift interpolated by 2. > + * @__reserved: reserved > + * > + * Correction is performed by multiplying a gain factor for each of the 4 Bayer > + * channels as a function of the pixel location in the sensor. > + */ > +struct ipu3_uapi_shd_general_config { > + __u32 init_set_vrt_offst_ul:8; > + __u32 shd_enable:1; > + __u32 gain_factor:2; > + __u32 __reserved:21; > +} __packed; > + > +/** > + * struct ipu3_uapi_shd_black_level_config - Black level correction > + * > + * @bl_r: Bios values for green red. s11 range [-2048, 2047]. > + * @bl_gr: Bios values for green blue. s11 range [-2048, 2047]. > + * @bl_gb: Bios values for red. s11 range [-2048, 2047]. > + * @bl_b: Bios values for blue. s11 range [-2048, 2047]. > + */ > +struct ipu3_uapi_shd_black_level_config { > + __s16 bl_r; > + __s16 bl_gr; > + __s16 bl_gb; > + __s16 bl_b; > +} __packed; > + > +/** > + * struct ipu3_uapi_shd_config_static - Shading config static > + * > + * @grid: shading grid config &ipu3_uapi_shd_grid_config > + * @general: shading general config &ipu3_uapi_shd_general_config > + * @black_level: black level config for shading correction as defined by > + * &ipu3_uapi_shd_black_level_config > + */ > +struct ipu3_uapi_shd_config_static { > + struct ipu3_uapi_shd_grid_config grid; > + struct ipu3_uapi_shd_general_config general; > + struct ipu3_uapi_shd_black_level_config black_level; > +} __packed; > + > +/** > + * struct ipu3_uapi_shd_lut - Shading gain factor lookup table. > + * > + * @sets: array > + * @sets.r_and_gr: Red and GreenR Lookup table. > + * @sets.r_and_gr.r: Red shading factor. > + * @sets.r_and_gr.gr: GreenR shading factor. > + * @sets.__reserved1: reserved > + * @sets.gb_and_b: GreenB and Blue Lookup table. > + * @sets.gb_and_b.gb: GreenB shading factor. > + * @sets.gb_and_b.b: Blue shading factor. > + * @sets.__reserved2: reserved > + * > + * Map to shading correction LUT register set. > + */ > +struct ipu3_uapi_shd_lut { > + struct { > + struct { > + __u16 r; > + __u16 gr; > + } r_and_gr[IPU3_UAPI_SHD_MAX_CELLS_PER_SET]; > + __u8 __reserved1[24]; > + struct { > + __u16 gb; > + __u16 b; > + } gb_and_b[IPU3_UAPI_SHD_MAX_CELLS_PER_SET]; > + __u8 __reserved2[24]; > + } sets[IPU3_UAPI_SHD_MAX_CFG_SETS]; > +} __packed; > + > +/** > + * struct ipu3_uapi_shd_config - Shading config > + * > + * @shd: shading static config, see &ipu3_uapi_shd_config_static > + * @shd_lut: shading lookup table &ipu3_uapi_shd_lut > + */ > +struct ipu3_uapi_shd_config { > + struct ipu3_uapi_shd_config_static shd __attribute__((aligned(32))); > + struct ipu3_uapi_shd_lut shd_lut __attribute__((aligned(32))); > +} __packed; > + > +/* Image Enhancement Filter directed */ > + > +/** > + * struct ipu3_uapi_iefd_cux2 - IEFd Config Unit 2 parameters > + * > + * @x0: X0 point of Config Unit, u9.0, default 0. > + * @x1: X1 point of Config Unit, u9.0, default 0. > + * @a01: Slope A of Config Unit, s4.4, default 0. > + * @b01: Always 0. > + * > + * Calculate weight for blending directed and non-directed denoise elements > + * > + * Note: > + * Each instance of Config Unit needs X coordinate of n points and > + * slope A factor between points calculated by driver based on calibration > + * parameters. > + */ > +struct ipu3_uapi_iefd_cux2 { > + __u32 x0:9; > + __u32 x1:9; > + __u32 a01:9; > + __u32 b01:5; /* NOTE: hardcoded to zero */ > +} __packed; > + > +/** > + * struct ipu3_uapi_iefd_cux6_ed - Calculate power of non-directed sharpening > + * element, Config Unit 6 for edge detail (ED). > + * > + * @x0: X coordinate of point 0, u9.0, default 0. > + * @x1: X coordinate of point 1, u9.0, default 0. > + * @x2: X coordinate of point 2, u9.0, default 0. > + * @__reserved0: reserved > + * @x3: X coordinate of point 3, u9.0, default 0. > + * @x4: X coordinate of point 4, u9.0, default 0. > + * @x5: X coordinate of point 5, u9.0, default 0. > + * @__reserved1: reserved > + * @a01: slope A points 01, s4.4, default 0. > + * @a12: slope A points 12, s4.4, default 0. > + * @a23: slope A points 23, s4.4, default 0. > + * @__reserved2: reserved > + * @a34: slope A points 34, s4.4, default 0. > + * @a45: slope A points 45, s4.4, default 0. > + * @__reserved3: reserved > + * @b01: slope B points 01, s4.4, default 0. > + * @b12: slope B points 12, s4.4, default 0. > + * @b23: slope B points 23, s4.4, default 0. > + * @__reserved4: reserved > + * @b34: slope B points 34, s4.4, default 0. > + * @b45: slope B points 45, s4.4, default 0. > + * @__reserved5: reserved > + */ > +struct ipu3_uapi_iefd_cux6_ed { > + __u32 x0:9; > + __u32 x1:9; > + __u32 x2:9; > + __u32 __reserved0:5; > + > + __u32 x3:9; > + __u32 x4:9; > + __u32 x5:9; > + __u32 __reserved1:5; > + > + __u32 a01:9; > + __u32 a12:9; > + __u32 a23:9; > + __u32 __reserved2:5; > + > + __u32 a34:9; > + __u32 a45:9; > + __u32 __reserved3:14; > + > + __u32 b01:9; > + __u32 b12:9; > + __u32 b23:9; > + __u32 __reserved4:5; > + > + __u32 b34:9; > + __u32 b45:9; > + __u32 __reserved5:14; > +} __packed; > + > +/** > + * struct ipu3_uapi_iefd_cux2_1 - Calculate power of non-directed denoise > + * element apply. > + * @x0: X0 point of Config Unit, u9.0, default 0. > + * @x1: X1 point of Config Unit, u9.0, default 0. > + * @a01: Slope A of Config Unit, s4.4, default 0. > + * @__reserved1: reserved > + * @b01: offset B0 of Config Unit, u7.0, default 0. > + * @__reserved2: reserved > + */ > +struct ipu3_uapi_iefd_cux2_1 { > + __u32 x0:9; > + __u32 x1:9; > + __u32 a01:9; > + __u32 __reserved1:5; > + > + __u32 b01:8; > + __u32 __reserved2:24; > +} __packed; > + > +/** > + * struct ipu3_uapi_iefd_cux4 - Calculate power of non-directed sharpening > + * element. > + * > + * @x0: X0 point of Config Unit, u9.0, default 0. > + * @x1: X1 point of Config Unit, u9.0, default 0. > + * @x2: X2 point of Config Unit, u9.0, default 0. > + * @__reserved0: reserved > + * @x3: X3 point of Config Unit, u9.0, default 0. > + * @a01: Slope A0 of Config Unit, s4.4, default 0. > + * @a12: Slope A1 of Config Unit, s4.4, default 0. > + * @__reserved1: reserved > + * @a23: Slope A2 of Config Unit, s4.4, default 0. > + * @b01: Offset B0 of Config Unit, s7.0, default 0. > + * @b12: Offset B1 of Config Unit, s7.0, default 0. > + * @__reserved2: reserved > + * @b23: Offset B2 of Config Unit, s7.0, default 0. > + * @__reserved3: reserved > + */ > +struct ipu3_uapi_iefd_cux4 { > + __u32 x0:9; > + __u32 x1:9; > + __u32 x2:9; > + __u32 __reserved0:5; > + > + __u32 x3:9; > + __u32 a01:9; > + __u32 a12:9; > + __u32 __reserved1:5; > + > + __u32 a23:9; > + __u32 b01:8; > + __u32 b12:8; > + __u32 __reserved2:7; > + > + __u32 b23:8; > + __u32 __reserved3:24; > +} __packed; > + > +/** > + * struct ipu3_uapi_iefd_cux6_rad - Radial Config Unit (CU) > + * > + * @x0: x0 points of Config Unit radial, u8.0 > + * @x1: x1 points of Config Unit radial, u8.0 > + * @x2: x2 points of Config Unit radial, u8.0 > + * @x3: x3 points of Config Unit radial, u8.0 > + * @x4: x4 points of Config Unit radial, u8.0 > + * @x5: x5 points of Config Unit radial, u8.0 > + * @__reserved1: reserved > + * @a01: Slope A of Config Unit radial, s7.8 > + * @a12: Slope A of Config Unit radial, s7.8 > + * @a23: Slope A of Config Unit radial, s7.8 > + * @a34: Slope A of Config Unit radial, s7.8 > + * @a45: Slope A of Config Unit radial, s7.8 > + * @__reserved2: reserved > + * @b01: Slope B of Config Unit radial, s9.0 > + * @b12: Slope B of Config Unit radial, s9.0 > + * @b23: Slope B of Config Unit radial, s9.0 > + * @__reserved4: reserved > + * @b34: Slope B of Config Unit radial, s9.0 > + * @b45: Slope B of Config Unit radial, s9.0 > + * @__reserved5: reserved > + */ > +struct ipu3_uapi_iefd_cux6_rad { > + __u32 x0:8; > + __u32 x1:8; > + __u32 x2:8; > + __u32 x3:8; > + > + __u32 x4:8; > + __u32 x5:8; > + __u32 __reserved1:16; > + > + __u32 a01:16; > + __u32 a12:16; > + > + __u32 a23:16; > + __u32 a34:16; > + > + __u32 a45:16; > + __u32 __reserved2:16; > + > + __u32 b01:10; > + __u32 b12:10; > + __u32 b23:10; > + __u32 __reserved4:2; > + > + __u32 b34:10; > + __u32 b45:10; > + __u32 __reserved5:12; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_iefd_cfg_units - IEFd Config Units parameters > + * > + * @cu_1: calculate weight for blending directed and > + * non-directed denoise elements. See &ipu3_uapi_iefd_cux2 > + * @cu_ed: calculate power of non-directed sharpening element, see > + * &ipu3_uapi_iefd_cux6_ed > + * @cu_3: calculate weight for blending directed and > + * non-directed denoise elements. A &ipu3_uapi_iefd_cux2 > + * @cu_5: calculate power of non-directed denoise element apply, use > + * &ipu3_uapi_iefd_cux2_1 > + * @cu_6: calculate power of non-directed sharpening element. See > + * &ipu3_uapi_iefd_cux4 > + * @cu_7: calculate weight for blending directed and > + * non-directed denoise elements. Use &ipu3_uapi_iefd_cux2 > + * @cu_unsharp: Config Unit of unsharp &ipu3_uapi_iefd_cux4 > + * @cu_radial: Config Unit of radial &ipu3_uapi_iefd_cux6_rad > + * @cu_vssnlm: Config Unit of vssnlm &ipu3_uapi_iefd_cux2 > + */ > +struct ipu3_uapi_yuvp1_iefd_cfg_units { > + struct ipu3_uapi_iefd_cux2 cu_1; > + struct ipu3_uapi_iefd_cux6_ed cu_ed; > + struct ipu3_uapi_iefd_cux2 cu_3; > + struct ipu3_uapi_iefd_cux2_1 cu_5; > + struct ipu3_uapi_iefd_cux4 cu_6; > + struct ipu3_uapi_iefd_cux2 cu_7; > + struct ipu3_uapi_iefd_cux4 cu_unsharp; > + struct ipu3_uapi_iefd_cux6_rad cu_radial; > + struct ipu3_uapi_iefd_cux2 cu_vssnlm; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_iefd_config_s - IEFd config > + * > + * @horver_diag_coeff: Gradiant compensation, coefficient that compensates for > + * different distance for vertical / horizontal and diagonal > + * * gradient calculation (~1/sqrt(2)). > + * @__reserved0: reserved > + * @clamp_stitch: Slope to stitch between clamped and unclamped edge values > + * @__reserved1: reserved > + * @direct_metric_update: Update coeff for direction metric > + * @__reserved2: reserved > + * @ed_horver_diag_coeff: Radial Coefficient that compensates for > + * different distance for vertical/horizontal and > + * diagonal gradient calculation (~1/sqrt(2)) > + * @__reserved3: reserved > + */ > +struct ipu3_uapi_yuvp1_iefd_config_s { > + __u32 horver_diag_coeff:7; > + __u32 __reserved0:1; > + __u32 clamp_stitch:6; > + __u32 __reserved1:2; > + __u32 direct_metric_update:5; > + __u32 __reserved2:3; > + __u32 ed_horver_diag_coeff:7; > + __u32 __reserved3:1; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_iefd_control - IEFd control > + * > + * @iefd_en: Enable IEFd > + * @denoise_en: Enable denoise > + * @direct_smooth_en: Enable directional smooth > + * @rad_en: Enable radial update > + * @vssnlm_en: Enable VSSNLM output filter > + * @__reserved: reserved > + */ > +struct ipu3_uapi_yuvp1_iefd_control { > + __u32 iefd_en:1; > + __u32 denoise_en:1; > + __u32 direct_smooth_en:1; > + __u32 rad_en:1; > + __u32 vssnlm_en:1; > + __u32 __reserved:27; > +} __packed; > + > +/** > + * struct ipu3_uapi_sharp_cfg - Sharpening config > + * > + * @nega_lmt_txt: Sharpening limit for negative overshoots for texture. > + * @__reserved0: reserved > + * @posi_lmt_txt: Sharpening limit for positive overshoots for texture. > + * @__reserved1: reserved > + * @nega_lmt_dir: Sharpening limit for negative overshoots for direction (edge). > + * @__reserved2: reserved > + * @posi_lmt_dir: Sharpening limit for positive overshoots for direction (edge). > + * @__reserved3: reserved > + * > + * Fixed point type u13.0, range [0, 8191]. > + */ > +struct ipu3_uapi_sharp_cfg { > + __u32 nega_lmt_txt:13; > + __u32 __reserved0:19; > + __u32 posi_lmt_txt:13; > + __u32 __reserved1:19; > + __u32 nega_lmt_dir:13; > + __u32 __reserved2:19; > + __u32 posi_lmt_dir:13; > + __u32 __reserved3:19; > +} __packed; > + > +/** > + * struct struct ipu3_uapi_far_w - Sharpening config for far sub-group > + * > + * @dir_shrp: Weight of wide direct sharpening, u1.6, range [0, 64], default 64. > + * @__reserved0: reserved > + * @dir_dns: Weight of wide direct denoising, u1.6, range [0, 64], default 0. > + * @__reserved1: reserved > + * @ndir_dns_powr: Power of non-direct denoising, > + * Precision u1.6, range [0, 64], default 64. > + * @__reserved2: reserved > + */ > +struct ipu3_uapi_far_w { > + __u32 dir_shrp:7; > + __u32 __reserved0:1; > + __u32 dir_dns:7; > + __u32 __reserved1:1; > + __u32 ndir_dns_powr:7; > + __u32 __reserved2:9; > +} __packed; > + > +/** > + * struct struct ipu3_uapi_unsharp_cfg - Unsharp config > + * > + * @unsharp_weight: Unsharp mask blending weight. > + * u1.6, range [0, 64], default 16. > + * 0 - disabled, 64 - use only unsharp. > + * @__reserved0: reserved > + * @unsharp_amount: Unsharp mask amount, u4.5, range [0, 511], default 0. > + * @__reserved1: reserved > + */ > +struct ipu3_uapi_unsharp_cfg { > + __u32 unsharp_weight:7; > + __u32 __reserved0:1; > + __u32 unsharp_amount:9; > + __u32 __reserved1:15; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_iefd_shrp_cfg - IEFd sharpness config > + * > + * @cfg: sharpness config &ipu3_uapi_sharp_cfg > + * @far_w: wide range config, value as specified by &ipu3_uapi_far_w: > + * The 5x5 environment is separated into 2 sub-groups, the 3x3 nearest > + * neighbors (8 pixels called Near), and the second order neighborhood > + * around them (16 pixels called Far). > + * @unshrp_cfg: unsharpness config. &ipu3_uapi_unsharp_cfg > + */ > +struct ipu3_uapi_yuvp1_iefd_shrp_cfg { > + struct ipu3_uapi_sharp_cfg cfg; > + struct ipu3_uapi_far_w far_w; > + struct ipu3_uapi_unsharp_cfg unshrp_cfg; > +} __packed; > + > +/** > + * struct ipu3_uapi_unsharp_coef0 - Unsharp mask coefficients > + * > + * @c00: Coeff11, s0.8, range [-255, 255], default 1. > + * @c01: Coeff12, s0.8, range [-255, 255], default 5. > + * @c02: Coeff13, s0.8, range [-255, 255], default 9. > + * @__reserved: reserved > + * > + * Configurable registers for common sharpening support. > + */ > +struct ipu3_uapi_unsharp_coef0 { > + __u32 c00:9; > + __u32 c01:9; > + __u32 c02:9; > + __u32 __reserved:5; > +} __packed; > + > +/** > + * struct ipu3_uapi_unsharp_coef1 - Unsharp mask coefficients > + * > + * @c11: Coeff22, s0.8, range [-255, 255], default 29. > + * @c12: Coeff23, s0.8, range [-255, 255], default 55. > + * @c22: Coeff33, s0.8, range [-255, 255], default 96. > + * @__reserved: reserved > + */ > +struct ipu3_uapi_unsharp_coef1 { > + __u32 c11:9; > + __u32 c12:9; > + __u32 c22:9; > + __u32 __reserved:5; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_iefd_unshrp_cfg - Unsharp mask config > + * > + * @unsharp_coef0: unsharp coefficient 0 config. See &ipu3_uapi_unsharp_coef0 > + * @unsharp_coef1: unsharp coefficient 1 config. See &ipu3_uapi_unsharp_coef1 > + */ > +struct ipu3_uapi_yuvp1_iefd_unshrp_cfg { > + struct ipu3_uapi_unsharp_coef0 unsharp_coef0; > + struct ipu3_uapi_unsharp_coef1 unsharp_coef1; > +} __packed; > + > +/** > + * struct ipu3_uapi_radial_reset_xy - Radial coordinate reset > + * > + * @x: Radial reset of x coordinate. Precision s12, [-4095, 4095], default 0. > + * @__reserved0: reserved > + * @y: Radial center y coordinate. Precision s12, [-4095, 4095], default 0. > + * @__reserved1: reserved > + */ > +struct ipu3_uapi_radial_reset_xy { > + __s32 x:13; > + __u32 __reserved0:3; > + __s32 y:13; > + __u32 __reserved1:3; > +} __packed; > + > +/** > + * struct ipu3_uapi_radial_reset_x2 - Radial X^2 reset > + * > + * @x2: Radial reset of x^2 coordinate. Precision u24, default 0. > + * @__reserved: reserved > + */ > +struct ipu3_uapi_radial_reset_x2 { > + __u32 x2:24; > + __u32 __reserved:8; > +} __packed; > + > +/** > + * struct ipu3_uapi_radial_reset_y2 - Radial Y^2 reset > + * > + * @y2: Radial reset of y^2 coordinate. Precision u24, default 0. > + * @__reserved: reserved > + */ > +struct ipu3_uapi_radial_reset_y2 { > + __u32 y2:24; > + __u32 __reserved:8; > +} __packed; > + > +/** > + * struct ipu3_uapi_radial_cfg - Radial config > + * > + * @rad_nf: Radial. R^2 normalization factor is scale down by 2^ - (15 + scale) > + * @__reserved0: reserved > + * @rad_inv_r2: Radial R^-2 normelized to (0.5..1), Prec' u7, range [0, 127]. > + * @__reserved1: reserved > + */ > +struct ipu3_uapi_radial_cfg { > + __u32 rad_nf:4; > + __u32 __reserved0:4; > + __u32 rad_inv_r2:7; > + __u32 __reserved1:17; > +} __packed; > + > +/** > + * struct ipu3_uapi_rad_far_w - Radial FAR sub-group > + * > + * @rad_dir_far_sharp_w: Weight of wide direct sharpening, u1.6, range [0, 64], > + * default 64. > + * @rad_dir_far_dns_w: Weight of wide direct denoising, u1.6, range [0, 64], > + * default 0. > + * @rad_ndir_far_dns_power: power of non-direct sharpening, u1.6, range [0, 64], > + * default 0. > + * @__reserved: reserved > + */ > +struct ipu3_uapi_rad_far_w { > + __u32 rad_dir_far_sharp_w:8; > + __u32 rad_dir_far_dns_w:8; > + __u32 rad_ndir_far_dns_power:8; > + __u32 __reserved:8; > +} __packed; > + > +/** > + * struct ipu3_uapi_cu_cfg0 - Radius Config Unit cfg0 register > + * > + * @cu6_pow: Power of CU6. Power of non-direct sharpening, u3.4. > + * @__reserved0: reserved > + * @cu_unsharp_pow: Power of unsharp mask, u2.4. > + * @__reserved1: reserved > + * @rad_cu6_pow: Radial/corner CU6. Directed sharpening power, u3.4. > + * @__reserved2: reserved > + * @rad_cu_unsharp_pow: Radial power of unsharp mask, u2.4. > + * @__reserved3: reserved > + */ > +struct ipu3_uapi_cu_cfg0 { > + __u32 cu6_pow:7; > + __u32 __reserved0:1; > + __u32 cu_unsharp_pow:7; > + __u32 __reserved1:1; > + __u32 rad_cu6_pow:7; > + __u32 __reserved2:1; > + __u32 rad_cu_unsharp_pow:6; > + __u32 __reserved3:2; > +} __packed; > + > +/** > + * struct ipu3_uapi_cu_cfg1 - Radius Config Unit cfg1 register > + * > + * @rad_cu6_x1: X1 point of Config Unit 6, precision u9.0. > + * @__reserved0: reserved > + * @rad_cu_unsharp_x1: X1 point for Config Unit unsharp for radial/corner point > + * precision u9.0. > + * @__reserved1: reserved > + */ > +struct ipu3_uapi_cu_cfg1 { > + __u32 rad_cu6_x1:9; > + __u32 __reserved0:1; > + __u32 rad_cu_unsharp_x1:9; > + __u32 __reserved1:13; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_iefd_rad_cfg - IEFd parameters changed radially over > + * the picture plain. > + * > + * @reset_xy: reset xy value in radial calculation. &ipu3_uapi_radial_reset_xy > + * @reset_x2: reset x square value in radial calculation. See struct > + * &ipu3_uapi_radial_reset_x2 > + * @reset_y2: reset y square value in radial calculation. See struct > + * &ipu3_uapi_radial_reset_y2 > + * @cfg: radial config defined in &ipu3_uapi_radial_cfg > + * @rad_far_w: weight for wide range radial. &ipu3_uapi_rad_far_w > + * @cu_cfg0: configuration unit 0. See &ipu3_uapi_cu_cfg0 > + * @cu_cfg1: configuration unit 1. See &ipu3_uapi_cu_cfg1 > + */ > +struct ipu3_uapi_yuvp1_iefd_rad_cfg { > + struct ipu3_uapi_radial_reset_xy reset_xy; > + struct ipu3_uapi_radial_reset_x2 reset_x2; > + struct ipu3_uapi_radial_reset_y2 reset_y2; > + struct ipu3_uapi_radial_cfg cfg; > + struct ipu3_uapi_rad_far_w rad_far_w; > + struct ipu3_uapi_cu_cfg0 cu_cfg0; > + struct ipu3_uapi_cu_cfg1 cu_cfg1; > +} __packed; > + > +/* Vssnlm - Very small scale non-local mean algorithm */ > + > +/** > + * struct ipu3_uapi_vss_lut_x - Vssnlm LUT x0/x1/x2 > + * > + * @vs_x0: Vssnlm LUT x0, precision u8, range [0, 255], default 16. > + * @vs_x1: Vssnlm LUT x1, precision u8, range [0, 255], default 32. > + * @vs_x2: Vssnlm LUT x2, precision u8, range [0, 255], default 64. > + * @__reserved2: reserved > + */ > +struct ipu3_uapi_vss_lut_x { > + __u32 vs_x0:8; > + __u32 vs_x1:8; > + __u32 vs_x2:8; > + __u32 __reserved2:8; > +} __packed; > + > +/** > + * struct ipu3_uapi_vss_lut_y - Vssnlm LUT y0/y1/y2 > + * > + * @vs_y1: Vssnlm LUT y1, precision u4, range [0, 8], default 1. > + * @__reserved0: reserved > + * @vs_y2: Vssnlm LUT y2, precision u4, range [0, 8], default 3. > + * @__reserved1: reserved > + * @vs_y3: Vssnlm LUT y3, precision u4, range [0, 8], default 8. > + * @__reserved2: reserved > + */ > +struct ipu3_uapi_vss_lut_y { > + __u32 vs_y1:4; > + __u32 __reserved0:4; > + __u32 vs_y2:4; > + __u32 __reserved1:4; > + __u32 vs_y3:4; > + __u32 __reserved2:12; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_iefd_vssnlm_cf - IEFd Vssnlm Lookup table > + * > + * @vss_lut_x: vss lookup table. See &ipu3_uapi_vss_lut_x description > + * @vss_lut_y: vss lookup table. See &ipu3_uapi_vss_lut_y description > + */ > +struct ipu3_uapi_yuvp1_iefd_vssnlm_cfg { > + struct ipu3_uapi_vss_lut_x vss_lut_x; > + struct ipu3_uapi_vss_lut_y vss_lut_y; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_iefd_config - IEFd config > + * > + * @units: configuration unit setting, &ipu3_uapi_yuvp1_iefd_cfg_units > + * @config: configuration, as defined by &ipu3_uapi_yuvp1_iefd_config_s > + * @control: control setting, as defined by &ipu3_uapi_yuvp1_iefd_control > + * @sharp: sharpness setting, as defined by &ipu3_uapi_yuvp1_iefd_shrp_cfg > + * @unsharp: unsharpness setting, as defined by &ipu3_uapi_yuvp1_iefd_unshrp_cfg > + * @rad: radial setting, as defined by &ipu3_uapi_yuvp1_iefd_rad_cfg > + * @vsslnm: vsslnm setting, as defined by &ipu3_uapi_yuvp1_iefd_vssnlm_cfg > + */ > +struct ipu3_uapi_yuvp1_iefd_config { > + struct ipu3_uapi_yuvp1_iefd_cfg_units units; > + struct ipu3_uapi_yuvp1_iefd_config_s config; > + struct ipu3_uapi_yuvp1_iefd_control control; > + struct ipu3_uapi_yuvp1_iefd_shrp_cfg sharp; > + struct ipu3_uapi_yuvp1_iefd_unshrp_cfg unsharp; > + struct ipu3_uapi_yuvp1_iefd_rad_cfg rad; > + struct ipu3_uapi_yuvp1_iefd_vssnlm_cfg vsslnm; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_yds_config - Y Down-Sampling config > + * > + * @c00: range [0, 3], default 0x0 > + * @c01: range [0, 3], default 0x1 > + * @c02: range [0, 3], default 0x1 > + * @c03: range [0, 3], default 0x0 > + * @c10: range [0, 3], default 0x0 > + * @c11: range [0, 3], default 0x1 > + * @c12: range [0, 3], default 0x1 > + * @c13: range [0, 3], default 0x0 > + * > + * Above are 4x2 filter coefficients for chroma output downscaling. > + * > + * @norm_factor: Normalization factor, range [0, 4], default 2 > + * 0 - divide by 1 > + * 1 - divide by 2 > + * 2 - divide by 4 > + * 3 - divide by 8 > + * 4 - divide by 16 > + * @__reserved0: reserved > + * @bin_output: Down sampling on Luma channel in two optional modes > + * 0 - Bin output 4.2.0 (default), 1 output 4.2.2. > + * @__reserved1: reserved > + */ > +struct ipu3_uapi_yuvp1_yds_config { > + __u32 c00:2; > + __u32 c01:2; > + __u32 c02:2; > + __u32 c03:2; > + __u32 c10:2; > + __u32 c11:2; > + __u32 c12:2; > + __u32 c13:2; > + __u32 norm_factor:5; > + __u32 __reserved0:4; > + __u32 bin_output:1; > + __u32 __reserved1:6; > +} __packed; > + > +/* Chroma Noise Reduction */ > + > +/** > + * struct ipu3_uapi_yuvp1_chnr_enable_config - Chroma noise reduction enable > + * > + * @enable: enable/disable chroma noise reduction > + * @yuv_mode: 0 - YUV420, 1 - YUV422 > + * @__reserved0: reserved > + * @col_size: number of columns in the frame, max width is 2560 > + * @__reserved1: reserved > + */ > +struct ipu3_uapi_yuvp1_chnr_enable_config { > + __u32 enable:1; > + __u32 yuv_mode:1; > + __u32 __reserved0:14; > + __u32 col_size:12; > + __u32 __reserved1:4; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_chnr_coring_config - Coring thresholds for UV > + * > + * @u: U coring level, u0.13, range [0.0, 1.0], default 0.0 > + * @__reserved0: reserved > + * @v: V coring level, u0.13, range [0.0, 1.0], default 0.0 > + * @__reserved1: reserved > + */ > +struct ipu3_uapi_yuvp1_chnr_coring_config { > + __u32 u:13; > + __u32 __reserved0:3; > + __u32 v:13; > + __u32 __reserved1:3; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_chnr_sense_gain_config - Chroma noise reduction gains > + * > + * All sensitivity gain parameters have precision u13.0, range [0, 8191]. > + * > + * @vy: Sensitivity of horizontal edge of Y, default 100 > + * @vu: Sensitivity of horizontal edge of U, default 100 > + * @vv: Sensitivity of horizontal edge of V, default 100 > + * @__reserved0: reserved > + * @hy: Sensitivity of vertical edge of Y, default 50 > + * @hu: Sensitivity of vertical edge of U, default 50 > + * @hv: Sensitivity of vertical edge of V, default 50 > + * @__reserved1: reserved > + */ > +struct ipu3_uapi_yuvp1_chnr_sense_gain_config { > + __u32 vy:8; > + __u32 vu:8; > + __u32 vv:8; > + __u32 __reserved0:8; > + > + __u32 hy:8; > + __u32 hu:8; > + __u32 hv:8; > + __u32 __reserved1:8; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_chnr_iir_fir_config - Chroma IIR/FIR filter config > + * > + * @fir_0h: Value of center tap in horizontal FIR, range [0, 32], default 8. > + * @__reserved0: reserved > + * @fir_1h: Value of distance 1 in horizontal FIR, range [0, 32], default 12. > + * @__reserved1: reserved > + * @fir_2h: Value of distance 2 tap in horizontal FIR, range [0, 32], default 0. > + * @dalpha_clip_val: weight for previous row in IIR, range [1, 256], default 0. > + * @__reserved2: reserved > + */ > +struct ipu3_uapi_yuvp1_chnr_iir_fir_config { > + __u32 fir_0h:6; > + __u32 __reserved0:2; > + __u32 fir_1h:6; > + __u32 __reserved1:2; > + __u32 fir_2h:6; > + __u32 dalpha_clip_val:9; > + __u32 __reserved2:1; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_chnr_config - Chroma noise reduction config > + * > + * @enable: chroma noise reduction enable, see > + * &ipu3_uapi_yuvp1_chnr_enable_config > + * @coring: coring config for chroma noise reduction, see > + * &ipu3_uapi_yuvp1_chnr_coring_config > + * @sense_gain: sensitivity config for chroma noise reduction, see > + * ipu3_uapi_yuvp1_chnr_sense_gain_config > + * @iir_fir: iir and fir config for chroma noise reduction, see > + * ipu3_uapi_yuvp1_chnr_iir_fir_config > + */ > +struct ipu3_uapi_yuvp1_chnr_config { > + struct ipu3_uapi_yuvp1_chnr_enable_config enable; > + struct ipu3_uapi_yuvp1_chnr_coring_config coring; > + struct ipu3_uapi_yuvp1_chnr_sense_gain_config sense_gain; > + struct ipu3_uapi_yuvp1_chnr_iir_fir_config iir_fir; > +} __packed; > + > +/* Edge Enhancement and Noise Reduction */ > + > +/** > + * struct ipu3_uapi_yuvp1_y_ee_nr_lpf_config - Luma(Y) edge enhancement low-pass > + * filter coefficients > + * > + * @a_diag: Smoothing diagonal coefficient, u5.0. > + * @__reserved0: reserved > + * @a_periph: Image smoothing perpherial, u5.0. > + * @__reserved1: reserved > + * @a_cent: Image Smoothing center coefficient, u5.0. > + * @__reserved2: reserved > + * @enable: 0: Y_EE_NR disabled, output = input; 1: Y_EE_NR enabled. > + */ > +struct ipu3_uapi_yuvp1_y_ee_nr_lpf_config { > + __u32 a_diag:5; > + __u32 __reserved0:3; > + __u32 a_periph:5; > + __u32 __reserved1:3; > + __u32 a_cent:5; > + __u32 __reserved2:9; > + __u32 enable:1; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_y_ee_nr_sense_config - Luma(Y) edge enhancement > + * noise reduction sensitivity gains > + * > + * @edge_sense_0: Sensitivity of edge in dark area. u13.0, default 8191. > + * @__reserved0: reserved > + * @delta_edge_sense: Difference in the sensitivity of edges between > + * the bright and dark areas. u13.0, default 0. > + * @__reserved1: reserved > + * @corner_sense_0: Sensitivity of corner in dark area. u13.0, default 0. > + * @__reserved2: reserved > + * @delta_corner_sense: Difference in the sensitivity of corners between > + * the bright and dark areas. u13.0, default 8191. > + * @__reserved3: reserved > + */ > +struct ipu3_uapi_yuvp1_y_ee_nr_sense_config { > + __u32 edge_sense_0:13; > + __u32 __reserved0:3; > + __u32 delta_edge_sense:13; > + __u32 __reserved1:3; > + __u32 corner_sense_0:13; > + __u32 __reserved2:3; > + __u32 delta_corner_sense:13; > + __u32 __reserved3:3; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_y_ee_nr_gain_config - Luma(Y) edge enhancement > + * noise reduction gain config > + * > + * @gain_pos_0: Gain for positive edge in dark area. u5.0, [0, 16], default 2. > + * @__reserved0: reserved > + * @delta_gain_posi: Difference in the gain of edges between the bright and > + * dark areas for positive edges. u5.0, [0, 16], default 0. > + * @__reserved1: reserved > + * @gain_neg_0: Gain for negative edge in dark area. u5.0, [0, 16], default 8. > + * @__reserved2: reserved > + * @delta_gain_neg: Difference in the gain of edges between the bright and > + * dark areas for negative edges. u5.0, [0, 16], default 0. > + * @__reserved3: reserved > + */ > +struct ipu3_uapi_yuvp1_y_ee_nr_gain_config { > + __u32 gain_pos_0:5; > + __u32 __reserved0:3; > + __u32 delta_gain_posi:5; > + __u32 __reserved1:3; > + __u32 gain_neg_0:5; > + __u32 __reserved2:3; > + __u32 delta_gain_neg:5; > + __u32 __reserved3:3; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_y_ee_nr_clip_config - Luma(Y) edge enhancement > + * noise reduction clipping config > + * > + * @clip_pos_0: Limit of positive edge in dark area > + * u5, value [0, 16], default 8. > + * @__reserved0: reserved > + * @delta_clip_posi: Difference in the limit of edges between the bright > + * and dark areas for positive edges. > + * u5, value [0, 16], default 8. > + * @__reserved1: reserved > + * @clip_neg_0: Limit of negative edge in dark area > + * u5, value [0, 16], default 8. > + * @__reserved2: reserved > + * @delta_clip_neg: Difference in the limit of edges between the bright > + * and dark areas for negative edges. > + * u5, value [0, 16], default 8. > + * @__reserved3: reserved > + */ > +struct ipu3_uapi_yuvp1_y_ee_nr_clip_config { > + __u32 clip_pos_0:5; > + __u32 __reserved0:3; > + __u32 delta_clip_posi:5; > + __u32 __reserved1:3; > + __u32 clip_neg_0:5; > + __u32 __reserved2:3; > + __u32 delta_clip_neg:5; > + __u32 __reserved3:3; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_y_ee_nr_frng_config - Luma(Y) edge enhancement > + * noise reduction fringe config > + * > + * @gain_exp: Common exponent of gains, u4, [0, 8], default 2. > + * @__reserved0: reserved > + * @min_edge: Threshold for edge and smooth stitching, u13. > + * @__reserved1: reserved > + * @lin_seg_param: Power of LinSeg, u4. > + * @__reserved2: reserved > + * @t1: Parameter for enabling/disabling the edge enhancement, u1.0, [0, 1], > + * default 1. > + * @t2: Parameter for enabling/disabling the smoothing, u1.0, [0, 1], > + * default 1. > + * @__reserved3: reserved > + */ > +struct ipu3_uapi_yuvp1_y_ee_nr_frng_config { > + __u32 gain_exp:4; > + __u32 __reserved0:28; > + __u32 min_edge:13; > + __u32 __reserved1:3; > + __u32 lin_seg_param:4; > + __u32 __reserved2:4; > + __u32 t1:1; > + __u32 t2:1; > + __u32 __reserved3:6; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_y_ee_nr_diag_config - Luma(Y) edge enhancement > + * noise reduction diagonal config > + * > + * @diag_disc_g: Coefficient that prioritize diagonal edge direction on > + * horizontal or vertical for final enhancement. > + * u4.0, [1, 15], default 1. > + * @__reserved0: reserved > + * @hvw_hor: Weight of horizontal/vertical edge enhancement for hv edge. > + * u2.2, [1, 15], default 4. > + * @dw_hor: Weight of diagonal edge enhancement for hv edge. > + * u2.2, [1, 15], default 1. > + * @hvw_diag: Weight of horizontal/vertical edge enhancement for diagonal edge. > + * u2.2, [1, 15], default 1. > + * @dw_diag: Weight of diagonal edge enhancement for diagonal edge. > + * u2.2, [1, 15], default 4. > + * @__reserved1: reserved > + */ > +struct ipu3_uapi_yuvp1_y_ee_nr_diag_config { > + __u32 diag_disc_g:4; > + __u32 __reserved0:4; > + __u32 hvw_hor:4; > + __u32 dw_hor:4; > + __u32 hvw_diag:4; > + __u32 dw_diag:4; > + __u32 __reserved1:8; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config - Luma(Y) edge enhancement > + * noise reduction false color correction (FCC) coring config > + * > + * @pos_0: Gain for positive edge in dark, u13.0, [0, 16], default 0. > + * @__reserved0: reserved > + * @pos_delta: Gain for positive edge in bright, value: pos_0 + pos_delta <=16 > + * u13.0, default 0. > + * @__reserved1: reserved > + * @neg_0: Gain for negative edge in dark area, u13.0, range [0, 16], default 0. > + * @__reserved2: reserved > + * @neg_delta: Gain for negative edge in bright area. neg_0 + neg_delta <=16 > + * u13.0, default 0. > + * @__reserved3: reserved > + * > + * Coring is a simple soft thresholding technique. > + */ > +struct ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config { > + __u32 pos_0:13; > + __u32 __reserved0:3; > + __u32 pos_delta:13; > + __u32 __reserved1:3; > + __u32 neg_0:13; > + __u32 __reserved2:3; > + __u32 neg_delta:13; > + __u32 __reserved3:3; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp1_y_ee_nr_config - Edge enhancement and noise reduction > + * > + * @lpf: low-pass filter config. See &ipu3_uapi_yuvp1_y_ee_nr_lpf_config > + * @sense: sensitivity config. See &ipu3_uapi_yuvp1_y_ee_nr_sense_config > + * @gain: gain config as defined in &ipu3_uapi_yuvp1_y_ee_nr_gain_config > + * @clip: clip config as defined in &ipu3_uapi_yuvp1_y_ee_nr_clip_config > + * @frng: fringe config as defined in &ipu3_uapi_yuvp1_y_ee_nr_frng_config > + * @diag: diagonal edge config. See &ipu3_uapi_yuvp1_y_ee_nr_diag_config > + * @fc_coring: coring config for fringe control. See > + * &ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config > + */ > +struct ipu3_uapi_yuvp1_y_ee_nr_config { > + struct ipu3_uapi_yuvp1_y_ee_nr_lpf_config lpf; > + struct ipu3_uapi_yuvp1_y_ee_nr_sense_config sense; > + struct ipu3_uapi_yuvp1_y_ee_nr_gain_config gain; > + struct ipu3_uapi_yuvp1_y_ee_nr_clip_config clip; > + struct ipu3_uapi_yuvp1_y_ee_nr_frng_config frng; > + struct ipu3_uapi_yuvp1_y_ee_nr_diag_config diag; > + struct ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config fc_coring; > +} __packed; > + > +/* Total Color Correction */ > + > +/** > + * struct ipu3_uapi_yuvp2_tcc_gen_control_static_config - Total color correction > + * general control config > + * > + * @en: 0 - TCC disabled. Output = input 1 - TCC enabled. > + * @blend_shift: blend shift, Range[3, 4], default NA. > + * @gain_according_to_y_only: 0: Gain is calculated according to YUV, > + * 1: Gain is calculated according to Y only > + * @__reserved0: reserved > + * @gamma: Final blending coefficients. Values[-16, 16], default NA. > + * @__reserved1: reserved > + * @delta: Final blending coefficients. Values[-16, 16], default NA. > + * @__reserved2: reserved > + */ > +struct ipu3_uapi_yuvp2_tcc_gen_control_static_config { > + __u32 en:1; > + __u32 blend_shift:3; > + __u32 gain_according_to_y_only:1; > + __u32 __reserved0:11; > + __s32 gamma:5; > + __u32 __reserved1:3; > + __s32 delta:5; > + __u32 __reserved2:3; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp2_tcc_macc_elem_static_config - Total color correction > + * multi-axis color control (MACC) config > + * > + * @a: a coefficient for 2x2 MACC conversion matrix. > + * @__reserved0: reserved > + * @b: b coefficient 2x2 MACC conversion matrix. > + * @__reserved1: reserved > + * @c: c coefficient for 2x2 MACC conversion matrix. > + * @__reserved2: reserved > + * @d: d coefficient for 2x2 MACC conversion matrix. > + * @__reserved3: reserved > + */ > +struct ipu3_uapi_yuvp2_tcc_macc_elem_static_config { > + __s32 a:12; > + __u32 __reserved0:4; > + __s32 b:12; > + __u32 __reserved1:4; > + __s32 c:12; > + __u32 __reserved2:4; > + __s32 d:12; > + __u32 __reserved3:4; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp2_tcc_macc_table_static_config - Total color correction > + * multi-axis color control (MACC) table array > + * > + * @entries: config for multi axis color correction, as specified by > + * &ipu3_uapi_yuvp2_tcc_macc_elem_static_config > + */ > +struct ipu3_uapi_yuvp2_tcc_macc_table_static_config { > + struct ipu3_uapi_yuvp2_tcc_macc_elem_static_config > + entries[IPU3_UAPI_YUVP2_TCC_MACC_TABLE_ELEMENTS]; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp2_tcc_inv_y_lut_static_config - Total color correction > + * inverse y lookup table > + * > + * @entries: lookup table for inverse y estimation, and use it to estimate the > + * ratio between luma and chroma. Chroma by approximate the absolute > + * value of the radius on the chroma plane (R = sqrt(u^2+v^2) ) and > + * luma by approximate by 1/Y. > + */ > +struct ipu3_uapi_yuvp2_tcc_inv_y_lut_static_config { > + __u16 entries[IPU3_UAPI_YUVP2_TCC_INV_Y_LUT_ELEMENTS]; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp2_tcc_gain_pcwl_lut_static_config - Total color > + * correction lookup table for PCWL > + * > + * @entries: lookup table for gain piece wise linear transformation (PCWL) > + */ > +struct ipu3_uapi_yuvp2_tcc_gain_pcwl_lut_static_config { > + __u16 entries[IPU3_UAPI_YUVP2_TCC_GAIN_PCWL_LUT_ELEMENTS]; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp2_tcc_r_sqr_lut_static_config - Total color correction > + * lookup table for r square root > + * > + * @entries: lookup table for r square root estimation > + */ > +struct ipu3_uapi_yuvp2_tcc_r_sqr_lut_static_config { > + __s16 entries[IPU3_UAPI_YUVP2_TCC_R_SQR_LUT_ELEMENTS]; > +} __packed; > + > +/** > + * struct ipu3_uapi_yuvp2_tcc_static_config- Total color correction static > + * > + * @gen_control: general config for Total Color Correction > + * @macc_table: config for multi axis color correction > + * @inv_y_lut: lookup table for inverse y estimation > + * @gain_pcwl: lookup table for gain PCWL > + * @r_sqr_lut: lookup table for r square root estimation. > + */ > +struct ipu3_uapi_yuvp2_tcc_static_config { > + struct ipu3_uapi_yuvp2_tcc_gen_control_static_config gen_control; > + struct ipu3_uapi_yuvp2_tcc_macc_table_static_config macc_table; > + struct ipu3_uapi_yuvp2_tcc_inv_y_lut_static_config inv_y_lut; > + struct ipu3_uapi_yuvp2_tcc_gain_pcwl_lut_static_config gain_pcwl; > + struct ipu3_uapi_yuvp2_tcc_r_sqr_lut_static_config r_sqr_lut; > +} __packed; > + > +/* Advanced Noise Reduction related structs */ > + > +/* > + * struct ipu3_uapi_anr_alpha - Advanced noise reduction alpha > + * > + * Tunable parameters that are subject to modification according to the > + * total gain used. > + */ > +struct ipu3_uapi_anr_alpha { > + __u16 gr; > + __u16 r; > + __u16 b; > + __u16 gb; > + __u16 dc_gr; > + __u16 dc_r; > + __u16 dc_b; > + __u16 dc_gb; > +} __packed; > + > +/* > + * struct ipu3_uapi_anr_beta - Advanced noise reduction beta > + * > + * Tunable parameters that are subject to modification according to the > + * total gain used. > + */ > +struct ipu3_uapi_anr_beta { > + __u16 beta_gr; > + __u16 beta_r; > + __u16 beta_b; > + __u16 beta_gb; > +} __packed; > + > +/* > + * struct ipu3_uapi_anr_plain_color - Advanced noise reduction plain color with > + * 4x4 matrix > + * > + * Tunable parameters that are subject to modification according to the > + * total gain used. > + */ > +struct ipu3_uapi_anr_plain_color { > + __u16 reg_w_gr[16]; > + __u16 reg_w_r[16]; > + __u16 reg_w_b[16]; > + __u16 reg_w_gb[16]; > +} __packed; > + > +/** > + * struct ipu3_uapi_anr_transform_config - Advanced noise reduction transform > + * > + * @enable: advanced noise reduction enabled. > + * @adaptive_treshhold_en: On IPU3, adaptive threshold is always enabled. > + * @__reserved1: reserved > + * @__reserved2: reserved > + * @alpha: using following defaults: > + * 13, 13, 13, 13, 0, 0, 0, 0 > + * 11, 11, 11, 11, 0, 0, 0, 0 > + * 14, 14, 14, 14, 0, 0, 0, 0 > + * @beta: use following defaults: > + * 24, 24, 24, 24 > + * 21, 20, 20, 21 > + * 25, 25, 25, 25 > + * @color: use defaults defined in driver/media/pci/intel/ipu3-tables.c > + * @sqrt_lut: 11 bits per element, values = > + * [724 768 810 849 887 > + * 923 958 991 1024 1056 > + * 1116 1145 1173 1201 1086 > + * 1228 1254 1280 1305 1330 > + * 1355 1379 1402 1425 1448] > + * @xreset: Reset value of X for r^2 calculation Value: col_start-X_center > + * Constraint: Xreset + FrameWdith=4095 Xreset= -4095, default -1632. > + * @__reserved3: reserved > + * @yreset: Reset value of Y for r^2 calculation Value: row_start-Y_center > + * Constraint: Yreset + FrameHeight=4095 Yreset= -4095, default -1224. > + * @__reserved4: reserved > + * @x_sqr_reset: Reset value of X^2 for r^2 calculation Value = (Xreset)^2 > + * @r_normfactor: Normalization factor for R. Default 14. > + * @__reserved5: reserved > + * @y_sqr_reset: Reset value of Y^2 for r^2 calculation Value = (Yreset)^2 > + * @gain_scale: Parameter describing shading gain as a function of distance > + * from the image center. > + * A single value per frame, loaded by the driver. Default 115. > + */ > +struct ipu3_uapi_anr_transform_config { > + __u32 enable:1; /* 0 or 1, disabled or enabled */ > + __u32 adaptive_treshhold_en:1; /* On IPU3, always enabled */ > + > + __u32 __reserved1:30; > + __u8 __reserved2[44]; > + > + struct ipu3_uapi_anr_alpha alpha[3]; > + struct ipu3_uapi_anr_beta beta[3]; > + struct ipu3_uapi_anr_plain_color color[3]; > + > + __u16 sqrt_lut[IPU3_UAPI_ANR_LUT_SIZE]; /* 11 bits per element */ > + > + __s16 xreset:13; > + __u16 __reserved3:3; > + __s16 yreset:13; > + __u16 __reserved4:3; > + > + __u32 x_sqr_reset:24; > + __u32 r_normfactor:5; > + __u32 __reserved5:3; > + > + __u32 y_sqr_reset:24; > + __u32 gain_scale:8; > +} __packed; > + > +/** > + * struct ipu3_uapi_anr_stitch_pyramid - ANR stitch pyramid > + * > + * @entry0: pyramid LUT entry0, range [0x0, 0x3f] > + * @entry1: pyramid LUT entry1, range [0x0, 0x3f] > + * @entry2: pyramid LUT entry2, range [0x0, 0x3f] > + * @__reserved: reserved > + */ > +struct ipu3_uapi_anr_stitch_pyramid { > + __u32 entry0:6; > + __u32 entry1:6; > + __u32 entry2:6; > + __u32 __reserved:14; > +} __packed; > + > +/** > + * struct ipu3_uapi_anr_stitch_config - ANR stitch config > + * > + * @anr_stitch_en: enable stitch. Enabled with 1. > + * @__reserved: reserved > + * @pyramid: pyramid table as defined by &ipu3_uapi_anr_stitch_pyramid > + * default values: > + * { 1, 3, 5 }, { 7, 7, 5 }, { 3, 1, 3 }, > + * { 9, 15, 21 }, { 21, 15, 9 }, { 3, 5, 15 }, > + * { 25, 35, 35 }, { 25, 15, 5 }, { 7, 21, 35 }, > + * { 49, 49, 35 }, { 21, 7, 7 }, { 21, 35, 49 }, > + * { 49, 35, 21 }, { 7, 5, 15 }, { 25, 35, 35 }, > + * { 25, 15, 5 }, { 3, 9, 15 }, { 21, 21, 15 }, > + * { 9, 3, 1 }, { 3, 5, 7 }, { 7, 5, 3}, { 1 } > + */ > +struct ipu3_uapi_anr_stitch_config { > + __u32 anr_stitch_en; > + __u8 __reserved[44]; > + struct ipu3_uapi_anr_stitch_pyramid pyramid[IPU3_UAPI_ANR_PYRAMID_SIZE]; > +} __packed; > + > +/** > + * struct ipu3_uapi_anr_config - ANR config > + * > + * @transform: advanced noise reduction transform config as specified by > + * &ipu3_uapi_anr_transform_config > + * @stitch: create 4x4 patch from 4 surrounding 8x8 patches. > + */ > +struct ipu3_uapi_anr_config { > + struct ipu3_uapi_anr_transform_config transform __attribute__((aligned(32))); > + struct ipu3_uapi_anr_stitch_config stitch __attribute__((aligned(32))); > +} __packed; > + > +/** > + * struct ipu3_uapi_acc_param - Accelerator cluster parameters > + * > + * ACC refers to the HW cluster containing all Fixed Functions(FFs). Each FF > + * implements a specific algorithm. > + * > + * @bnr: parameters for bayer noise reduction static config. See > + * &ipu3_uapi_bnr_static_config > + * @green_disparity: disparity static config between gr and gb channel. > + * See &ipu3_uapi_bnr_static_config_green_disparity > + * @dm: de-mosaic config. See &ipu3_uapi_dm_config > + * @ccm: color correction matrix. See &ipu3_uapi_ccm_mat_config > + * @gamma: gamma correction config. See &ipu3_uapi_gamma_config > + * @csc: color space conversion matrix. See &ipu3_uapi_csc_mat_config > + * @cds: color down sample config. See &ipu3_uapi_cds_params > + * @shd: lens shading correction config. See &ipu3_uapi_shd_config > + * @iefd: Image enhancement filter and denoise config. > + * &ipu3_uapi_yuvp1_iefd_config > + * @yds_c0: y down scaler config. &ipu3_uapi_yuvp1_yds_config > + * @chnr_c0: chroma noise reduction config. &ipu3_uapi_yuvp1_chnr_config > + * @y_ee_nr: y edge enhancement and noise reduction config. > + * &ipu3_uapi_yuvp1_y_ee_nr_config > + * @yds: y down scaler config. See &ipu3_uapi_yuvp1_yds_config > + * @chnr: chroma noise reduction config. See &ipu3_uapi_yuvp1_chnr_config > + * @__reserved1: reserved > + * @yds2: y channel down scaler config. See &ipu3_uapi_yuvp1_yds_config > + * @tcc: total color correction config as defined in struct > + * &ipu3_uapi_yuvp2_tcc_static_config > + * @__reserved2: reserved > + * @anr: advanced noise reduction config.See &ipu3_uapi_anr_config > + * @awb_fr: AWB filter response config. See ipu3_uapi_awb_fr_config > + * @ae: auto exposure config As specified by &ipu3_uapi_ae_config > + * @af: auto focus config. As specified by &ipu3_uapi_af_config > + * @awb: auto white balance config. As specified by &ipu3_uapi_awb_config > + */ > +struct ipu3_uapi_acc_param { > + struct ipu3_uapi_bnr_static_config bnr; > + struct ipu3_uapi_bnr_static_config_green_disparity > + green_disparity __attribute__((aligned(32))); > + struct ipu3_uapi_dm_config dm __attribute__((aligned(32))); > + struct ipu3_uapi_ccm_mat_config ccm __attribute__((aligned(32))); > + struct ipu3_uapi_gamma_config gamma __attribute__((aligned(32))); > + struct ipu3_uapi_csc_mat_config csc __attribute__((aligned(32))); > + struct ipu3_uapi_cds_params cds __attribute__((aligned(32))); > + struct ipu3_uapi_shd_config shd __attribute__((aligned(32))); > + struct ipu3_uapi_yuvp1_iefd_config iefd __attribute__((aligned(32))); > + struct ipu3_uapi_yuvp1_yds_config yds_c0 __attribute__((aligned(32))); > + struct ipu3_uapi_yuvp1_chnr_config chnr_c0 __attribute__((aligned(32))); > + struct ipu3_uapi_yuvp1_y_ee_nr_config y_ee_nr __attribute__((aligned(32))); > + struct ipu3_uapi_yuvp1_yds_config yds __attribute__((aligned(32))); > + struct ipu3_uapi_yuvp1_chnr_config chnr __attribute__((aligned(32))); > + struct ipu3_uapi_yuvp1_yds_config yds2 __attribute__((aligned(32))); > + struct ipu3_uapi_yuvp2_tcc_static_config tcc __attribute__((aligned(32))); > + struct ipu3_uapi_anr_config anr; > + struct ipu3_uapi_awb_fr_config awb_fr; > + struct ipu3_uapi_ae_config ae; > + struct ipu3_uapi_af_config af; > + struct ipu3_uapi_awb_config awb; > +} __packed; > + > +/** > + * struct ipu3_uapi_isp_lin_vmem_params - Linearization parameters > + * > + * @lin_lutlow_gr: linearization look-up table for GR channel interpolation. > + * @lin_lutlow_r: linearization look-up table for R channel interpolation. > + * @lin_lutlow_b: linearization look-up table for B channel interpolation. > + * @lin_lutlow_gb: linearization look-up table for GB channel interpolation. > + * lin_lutlow_gr / lin_lutlow_gr / lin_lutlow_gr / > + * lin_lutlow_gr <= LIN_MAX_VALUE - 1. > + * @lin_lutdif_gr: lin_lutlow_gr[i+1] - lin_lutlow_gr[i]. > + * @lin_lutdif_r: lin_lutlow_r[i+1] - lin_lutlow_r[i]. > + * @lin_lutdif_b: lin_lutlow_b[i+1] - lin_lutlow_b[i]. > + * @lin_lutdif_gb: lin_lutlow_gb[i+1] - lin_lutlow_gb[i]. > + */ > +struct ipu3_uapi_isp_lin_vmem_params { > + __s16 lin_lutlow_gr[IPU3_UAPI_LIN_LUT_SIZE]; > + __s16 lin_lutlow_r[IPU3_UAPI_LIN_LUT_SIZE]; > + __s16 lin_lutlow_b[IPU3_UAPI_LIN_LUT_SIZE]; > + __s16 lin_lutlow_gb[IPU3_UAPI_LIN_LUT_SIZE]; > + __s16 lin_lutdif_gr[IPU3_UAPI_LIN_LUT_SIZE]; > + __s16 lin_lutdif_r[IPU3_UAPI_LIN_LUT_SIZE]; > + __s16 lin_lutdif_b[IPU3_UAPI_LIN_LUT_SIZE]; > + __s16 lin_lutdif_gb[IPU3_UAPI_LIN_LUT_SIZE]; > +} __packed; > + > +/* Temporal Noise Reduction */ > + > +/** > + * struct ipu3_uapi_isp_tnr3_vmem_params - Temporal noise reduction vector > + * memory parameters > + * > + * @slope: slope setting in interpolation curve for temporal noise reduction. > + * @__reserved1: reserved > + * @sigma: knee point setting in interpolation curve for temporal > + * noise reduction. > + * @__reserved2: reserved > + */ > +struct ipu3_uapi_isp_tnr3_vmem_params { > + __u16 slope[IPU3_UAPI_ISP_TNR3_VMEM_LEN]; > + __u16 __reserved1[IPU3_UAPI_ISP_VEC_ELEMS > + - IPU3_UAPI_ISP_TNR3_VMEM_LEN]; > + __u16 sigma[IPU3_UAPI_ISP_TNR3_VMEM_LEN]; > + __u16 __reserved2[IPU3_UAPI_ISP_VEC_ELEMS > + - IPU3_UAPI_ISP_TNR3_VMEM_LEN]; > +} __packed; > + > +/** > + * struct ipu3_uapi_isp_tnr3_params - Temporal noise reduction v3 parameters > + * > + * @knee_y1: Knee point TNR3 assumes standard deviation of Y,U and > + * V at Y1 are TnrY1_Sigma_Y, U and V. > + * @knee_y2: Knee point TNR3 assumes standard deviation of Y,U and > + * V at Y2 are TnrY2_Sigma_Y, U and V. > + * @maxfb_y: Max feedback gain for Y > + * @maxfb_u: Max feedback gain for U > + * @maxfb_v: Max feedback gain for V > + * @round_adj_y: rounding Adjust for Y > + * @round_adj_u: rounding Adjust for U > + * @round_adj_v: rounding Adjust for V > + * @ref_buf_select: selection of the reference frame buffer to be used. > + */ > +struct ipu3_uapi_isp_tnr3_params { > + __u32 knee_y1; > + __u32 knee_y2; > + __u32 maxfb_y; > + __u32 maxfb_u; > + __u32 maxfb_v; > + __u32 round_adj_y; > + __u32 round_adj_u; > + __u32 round_adj_v; > + __u32 ref_buf_select; > +} __packed; > + > +/* Extreme Noise Reduction version 3 */ > + > +/** > + * struct ipu3_uapi_isp_xnr3_vmem_params - Extreme noise reduction v3 > + * vector memory parameters > + * > + * @x: xnr3 parameters. > + * @a: xnr3 parameters. > + * @b: xnr3 parameters. > + * @c: xnr3 parameters. > + */ > +struct ipu3_uapi_isp_xnr3_vmem_params { > + __u16 x[IPU3_UAPI_ISP_VEC_ELEMS]; > + __u16 a[IPU3_UAPI_ISP_VEC_ELEMS]; > + __u16 b[IPU3_UAPI_ISP_VEC_ELEMS]; > + __u16 c[IPU3_UAPI_ISP_VEC_ELEMS]; > +} __packed; > + > +/** > + * struct ipu3_uapi_xnr3_alpha_params - Extreme noise reduction v3 > + * alpha tuning parameters > + * > + * @y0: Sigma for Y range similarity in dark area. > + * @u0: Sigma for U range similarity in dark area. > + * @v0: Sigma for V range similarity in dark area. > + * @ydiff: Sigma difference for Y between bright area and dark area. > + * @udiff: Sigma difference for U between bright area and dark area. > + * @vdiff: Sigma difference for V between bright area and dark area. > + */ > +struct ipu3_uapi_xnr3_alpha_params { > + __u32 y0; > + __u32 u0; > + __u32 v0; > + __u32 ydiff; > + __u32 udiff; > + __u32 vdiff; > +} __packed; > + > +/** > + * struct ipu3_uapi_xnr3_coring_params - Extreme noise reduction v3 > + * coring parameters > + * > + * @u0: Coring Threshold of U channel in dark area. > + * @v0: Coring Threshold of V channel in dark area. > + * @udiff: Threshold difference of U channel between bright and dark area. > + * @vdiff: Threshold difference of V channel between bright and dark area. > + */ > +struct ipu3_uapi_xnr3_coring_params { > + __u32 u0; > + __u32 v0; > + __u32 udiff; > + __u32 vdiff; > +} __packed; > + > +/** > + * struct ipu3_uapi_xnr3_blending_params - Blending factor > + * > + * @strength: The factor for blending output with input. This is tuning > + * parameterHigher values lead to more aggressive XNR operation. > + */ > +struct ipu3_uapi_xnr3_blending_params { > + __u32 strength; > +} __packed; > + > +/** > + * struct ipu3_uapi_isp_xnr3_params - Extreme noise reduction v3 parameters > + * > + * @alpha: parameters for xnr3 alpha. See &ipu3_uapi_xnr3_alpha_params > + * @coring: parameters for xnr3 coring. See &ipu3_uapi_xnr3_coring_params > + * @blending: parameters for xnr3 blending. See &ipu3_uapi_xnr3_blending_params > + */ > +struct ipu3_uapi_isp_xnr3_params { > + struct ipu3_uapi_xnr3_alpha_params alpha; > + struct ipu3_uapi_xnr3_coring_params coring; > + struct ipu3_uapi_xnr3_blending_params blending; > +} __packed; > + > +/***** Obgrid (optical black level compensation) table entry *****/ > + > +/** > + * struct ipu3_uapi_obgrid_param - Optical black level compensation parameters > + * > + * @gr: Grid table values for color GR > + * @r: Grid table values for color R > + * @b: Grid table values for color B > + * @gb: Grid table values for color GB > + * > + * Black level is different for red, green, and blue channels. So black level > + * compensation is different per channel. > + */ > +struct ipu3_uapi_obgrid_param { > + __u16 gr; > + __u16 r; > + __u16 b; > + __u16 gb; > +} __packed; > + > +/******************* V4L2_META_FMT_IPU3_PARAMS *******************/ > + > +/** > + * struct ipu3_uapi_flags - bits to indicate which pipeline needs update > + * > + * @gdc: 0 = no update, 1 = update. > + * @obgrid: 0 = no update, 1 = update. > + * @__reserved1: Not used. > + * @acc_bnr: 0 = no update, 1 = update. > + * @acc_green_disparity: 0 = no update, 1 = update. > + * @acc_dm: 0 = no update, 1 = update. > + * @acc_ccm: 0 = no update, 1 = update. > + * @acc_gamma: 0 = no update, 1 = update. > + * @acc_csc: 0 = no update, 1 = update. > + * @acc_cds: 0 = no update, 1 = update. > + * @acc_shd: 0 = no update, 1 = update. > + * @__reserved2: Not used. > + * @acc_iefd: 0 = no update, 1 = update. > + * @acc_yds_c0: 0 = no update, 1 = update. > + * @acc_chnr_c0: 0 = no update, 1 = update. > + * @acc_y_ee_nr: 0 = no update, 1 = update. > + * @acc_yds: 0 = no update, 1 = update. > + * @acc_chnr: 0 = no update, 1 = update. > + * @acc_ytm: 0 = no update, 1 = update. > + * @acc_yds2: 0 = no update, 1 = update. > + * @acc_tcc: 0 = no update, 1 = update. > + * @acc_dpc: 0 = no update, 1 = update. > + * @acc_bds: 0 = no update, 1 = update. > + * @acc_anr: 0 = no update, 1 = update. > + * @acc_awb_fr: 0 = no update, 1 = update. > + * @acc_ae: 0 = no update, 1 = update. > + * @acc_af: 0 = no update, 1 = update. > + * @acc_awb: 0 = no update, 1 = update. > + * @__acc_osys: 0 = no update, 1 = update. > + * @__reserved3: Not used. > + * @lin_vmem_params: 0 = no update, 1 = update. > + * @tnr3_vmem_params: 0 = no update, 1 = update. > + * @xnr3_vmem_params: 0 = no update, 1 = update. > + * @tnr3_dmem_params: 0 = no update, 1 = update. > + * @xnr3_dmem_params: 0 = no update, 1 = update. > + * @__reserved4: Not used. > + * @obgrid_param: 0 = no update, 1 = update. > + * @__reserved5: Not used. > + */ > +struct ipu3_uapi_flags { > + __u32 gdc:1; > + __u32 obgrid:1; > + __u32 __reserved1:30; > + > + __u32 acc_bnr:1; > + __u32 acc_green_disparity:1; > + __u32 acc_dm:1; > + __u32 acc_ccm:1; > + __u32 acc_gamma:1; > + __u32 acc_csc:1; > + __u32 acc_cds:1; > + __u32 acc_shd:1; > + __u32 __reserved2:2; > + __u32 acc_iefd:1; > + __u32 acc_yds_c0:1; > + __u32 acc_chnr_c0:1; > + __u32 acc_y_ee_nr:1; > + __u32 acc_yds:1; > + __u32 acc_chnr:1; > + __u32 acc_ytm:1; > + __u32 acc_yds2:1; > + __u32 acc_tcc:1; > + __u32 acc_dpc:1; > + __u32 acc_bds:1; > + __u32 acc_anr:1; > + __u32 acc_awb_fr:1; > + __u32 acc_ae:1; > + __u32 acc_af:1; > + __u32 acc_awb:1; > + __u32 __reserved3:4; > + > + __u32 lin_vmem_params:1; > + __u32 tnr3_vmem_params:1; > + __u32 xnr3_vmem_params:1; > + __u32 tnr3_dmem_params:1; > + __u32 xnr3_dmem_params:1; > + __u32 __reserved4:1; > + __u32 obgrid_param:1; > + __u32 __reserved5:25; > +} __packed; > + > +/** > + * struct ipu3_uapi_params - V4L2_META_FMT_IPU3_PARAMS > + * > + * @use: select which parameters to apply, see &ipu3_uapi_flags > + * @acc_param: ACC parameters, as specified by &ipu3_uapi_acc_param > + * @lin_vmem_params: linearization VMEM, as specified by > + * &ipu3_uapi_isp_lin_vmem_params > + * @tnr3_vmem_params: tnr3 VMEM as specified by > + * &ipu3_uapi_isp_tnr3_vmem_params > + * @xnr3_vmem_params: xnr3 VMEM as specified by > + * &ipu3_uapi_isp_xnr3_vmem_params > + * @tnr3_dmem_params: tnr3 DMEM as specified by &ipu3_uapi_isp_tnr3_params > + * @xnr3_dmem_params: xnr3 DMEM as specified by &ipu3_uapi_isp_xnr3_params > + * @obgrid_param: obgrid parameters as specified by > + * &ipu3_uapi_obgrid_param > + * > + * The video queue "parameters" is of format V4L2_META_FMT_IPU3_PARAMS. > + * This is a "single plane" v4l2_meta_format using V4L2_BUF_TYPE_META_OUTPUT. > + * > + * struct ipu3_uapi_params as defined below contains a lot of parameters and > + * ipu3_uapi_flags selects which parameters to apply. > + */ > +struct ipu3_uapi_params { > + /* Flags which of the settings below are to be applied */ > + struct ipu3_uapi_flags use __attribute__((aligned(32))); > + > + /* Accelerator cluster parameters */ > + struct ipu3_uapi_acc_param acc_param; > + > + /* ISP vector address space parameters */ > + struct ipu3_uapi_isp_lin_vmem_params lin_vmem_params; > + struct ipu3_uapi_isp_tnr3_vmem_params tnr3_vmem_params; > + struct ipu3_uapi_isp_xnr3_vmem_params xnr3_vmem_params; > + > + /* ISP data memory (DMEM) parameters */ > + struct ipu3_uapi_isp_tnr3_params tnr3_dmem_params; > + struct ipu3_uapi_isp_xnr3_params xnr3_dmem_params; > + > + /* Optical black level compensation */ > + struct ipu3_uapi_obgrid_param obgrid_param; > +} __packed; > +#endif Thanks, Mauro